diff --git a/dist/bundle.es.js b/dist/bundle.es.js
index 4bbe81d..e4694f3 100644
--- a/dist/bundle.es.js
+++ b/dist/bundle.es.js
@@ -119,6 +119,7 @@ const SET_FILE_LIST_SORT = 'SET_FILE_LIST_SORT';
 const PURCHASE_URI_STARTED = 'PURCHASE_URI_STARTED';
 const PURCHASE_URI_COMPLETED = 'PURCHASE_URI_COMPLETED';
 const PURCHASE_URI_FAILED = 'PURCHASE_URI_FAILED';
+const DELETE_PURCHASED_URI = 'DELETE_PURCHASED_URI';
 const LOADING_FILE_STARTED = 'LOADING_FILE_STARTED';
 const LOADING_FILE_COMPLETED = 'LOADING_FILE_COMPLETED';
 const LOADING_FILE_FAILED = 'LOADING_FILE_FAILED';
@@ -341,6 +342,7 @@ var action_types = /*#__PURE__*/Object.freeze({
     PURCHASE_URI_STARTED: PURCHASE_URI_STARTED,
     PURCHASE_URI_COMPLETED: PURCHASE_URI_COMPLETED,
     PURCHASE_URI_FAILED: PURCHASE_URI_FAILED,
+    DELETE_PURCHASED_URI: DELETE_PURCHASED_URI,
     LOADING_FILE_STARTED: LOADING_FILE_STARTED,
     LOADING_FILE_COMPLETED: LOADING_FILE_COMPLETED,
     LOADING_FILE_FAILED: LOADING_FILE_FAILED,
@@ -2319,6 +2321,8 @@ const selectFileListDownloadedSort = reselect.createSelector(selectState$3, stat
 
 const selectState$4 = state => state.file || {};
 
+const selectPurchaseUriErrorMessage = reselect.createSelector(selectState$4, state => state.purchaseUriErrorMessage);
+
 const selectFailedPurchaseUris = reselect.createSelector(selectState$4, state => state.failedPurchaseUris);
 
 const selectPurchasedUris = reselect.createSelector(selectState$4, state => state.purchasedUris);
@@ -2404,8 +2408,7 @@ function doPurchaseUri(uri, costInfo, saveFile = true) {
     }
 
     const { cost } = costInfo;
-
-    if (cost > balance) {
+    if (parseFloat(cost) > balance) {
       dispatch({
         type: PURCHASE_URI_FAILED,
         data: { uri, error: 'Insufficient credits' }
@@ -2417,6 +2420,13 @@ function doPurchaseUri(uri, costInfo, saveFile = true) {
   };
 }
 
+function doDeletePurchasedUri(uri) {
+  return {
+    type: DELETE_PURCHASED_URI,
+    data: { uri }
+  };
+}
+
 function doFetchFileInfo(uri) {
   return (dispatch, getState) => {
     const state = getState();
@@ -2914,7 +2924,21 @@ const reducers$1 = {};
 const defaultState$1 = {
   failedPurchaseUris: [],
   purchasedUris: [],
-  purchasedStreamingUrls: {}
+  purchasedStreamingUrls: {},
+  purchaseUriErrorMessage: ''
+};
+
+reducers$1[PURCHASE_URI_STARTED] = (state, action) => {
+  const { uri } = action.data;
+  const newFailedPurchaseUris = state.failedPurchaseUris.slice();
+  if (newFailedPurchaseUris.includes(uri)) {
+    newFailedPurchaseUris.splice(newFailedPurchaseUris.indexOf(uri), 1);
+  }
+
+  return _extends$4({}, state, {
+    failedPurchaseUris: newFailedPurchaseUris,
+    purchaseUriErrorMessage: ''
+  });
 };
 
 reducers$1[PURCHASE_URI_COMPLETED] = (state, action) => {
@@ -2936,19 +2960,34 @@ reducers$1[PURCHASE_URI_COMPLETED] = (state, action) => {
   return _extends$4({}, state, {
     failedPurchaseUris: newFailedPurchaseUris,
     purchasedUris: newPurchasedUris,
-    purchasedStreamingUrls: newPurchasedStreamingUrls
+    purchasedStreamingUrls: newPurchasedStreamingUrls,
+    purchaseUriErrorMessage: ''
   });
 };
 
 reducers$1[PURCHASE_URI_FAILED] = (state, action) => {
-  const { uri } = action.data;
+  const { uri, error } = action.data;
   const newFailedPurchaseUris = state.failedPurchaseUris.slice();
+
   if (!newFailedPurchaseUris.includes(uri)) {
     newFailedPurchaseUris.push(uri);
   }
 
   return _extends$4({}, state, {
-    failedPurchaseUris: newFailedPurchaseUris
+    failedPurchaseUris: newFailedPurchaseUris,
+    purchaseUriErrorMessage: error
+  });
+};
+
+reducers$1[DELETE_PURCHASED_URI] = (state, action) => {
+  const { uri } = action.data;
+  const newPurchasedUris = state.purchasedUris.slice();
+  if (newPurchasedUris.includes(uri)) {
+    newPurchasedUris.splice(newPurchasedUris.indexOf(uri), 1);
+  }
+
+  return _extends$4({}, state, {
+    purchasedUris: newPurchasedUris
   });
 };
 
@@ -3651,6 +3690,7 @@ exports.doBalanceSubscribe = doBalanceSubscribe;
 exports.doBlurSearchInput = doBlurSearchInput;
 exports.doCheckAddressIsMine = doCheckAddressIsMine;
 exports.doCreateChannel = doCreateChannel;
+exports.doDeletePurchasedUri = doDeletePurchasedUri;
 exports.doDismissError = doDismissError;
 exports.doDismissToast = doDismissToast;
 exports.doError = doError;
@@ -3772,6 +3812,7 @@ exports.selectMyClaimsWithoutChannels = selectMyClaimsWithoutChannels;
 exports.selectPendingById = selectPendingById;
 exports.selectPendingClaims = selectPendingClaims;
 exports.selectPlayingUri = selectPlayingUri;
+exports.selectPurchaseUriErrorMessage = selectPurchaseUriErrorMessage;
 exports.selectPurchasedStreamingUrls = selectPurchasedStreamingUrls;
 exports.selectPurchasedUris = selectPurchasedUris;
 exports.selectReceiveAddress = selectReceiveAddress;
diff --git a/dist/flow-typed/File.js b/dist/flow-typed/File.js
index 4384d3f..42c9b16 100644
--- a/dist/flow-typed/File.js
+++ b/dist/flow-typed/File.js
@@ -51,6 +51,22 @@ declare type PurchaseUriCompleted = {
 
 declare type PurchaseUriFailed = {
   type: ACTIONS.PURCHASE_URI_FAILED,
+  data: {
+    uri: string,
+    error: any
+  },
+};
+
+declare type PurchaseUriStarted = {
+  type: ACTIONS.PURCHASE_URI_STARTED,
+  data: {
+    uri: string,
+    streamingUrl: string,
+  },
+};
+
+declare type DeletePurchasedUri = {
+  type: ACTIONS.DELETE_PURCHASED_URI,
   data: {
     uri: string
   },
diff --git a/flow-typed/File.js b/flow-typed/File.js
index 4384d3f..42c9b16 100644
--- a/flow-typed/File.js
+++ b/flow-typed/File.js
@@ -51,6 +51,22 @@ declare type PurchaseUriCompleted = {
 
 declare type PurchaseUriFailed = {
   type: ACTIONS.PURCHASE_URI_FAILED,
+  data: {
+    uri: string,
+    error: any
+  },
+};
+
+declare type PurchaseUriStarted = {
+  type: ACTIONS.PURCHASE_URI_STARTED,
+  data: {
+    uri: string,
+    streamingUrl: string,
+  },
+};
+
+declare type DeletePurchasedUri = {
+  type: ACTIONS.DELETE_PURCHASED_URI,
   data: {
     uri: string
   },
diff --git a/src/constants/action_types.js b/src/constants/action_types.js
index 9582f77..cb1cdd0 100644
--- a/src/constants/action_types.js
+++ b/src/constants/action_types.js
@@ -109,6 +109,7 @@ export const SET_FILE_LIST_SORT = 'SET_FILE_LIST_SORT';
 export const PURCHASE_URI_STARTED = 'PURCHASE_URI_STARTED';
 export const PURCHASE_URI_COMPLETED = 'PURCHASE_URI_COMPLETED';
 export const PURCHASE_URI_FAILED = 'PURCHASE_URI_FAILED';
+export const DELETE_PURCHASED_URI = 'DELETE_PURCHASED_URI';
 export const LOADING_FILE_STARTED = 'LOADING_FILE_STARTED';
 export const LOADING_FILE_COMPLETED = 'LOADING_FILE_COMPLETED';
 export const LOADING_FILE_FAILED = 'LOADING_FILE_FAILED';
diff --git a/src/index.js b/src/index.js
index 9265f41..848d0e5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -47,7 +47,7 @@ export {
   doCreateChannel,
 } from 'redux/actions/claims';
 
-export { doPurchaseUri, doFileGet } from 'redux/actions/file';
+export { doDeletePurchasedUri, doPurchaseUri, doFileGet } from 'redux/actions/file';
 
 export {
   doFetchFileInfo,
@@ -111,6 +111,7 @@ export {
   selectFailedPurchaseUris,
   selectPurchasedUris,
   selectPurchasedStreamingUrls,
+  selectPurchaseUriErrorMessage,
   selectLastPurchasedUri,
   makeSelectStreamingUrlForUri,
 } from 'redux/selectors/file';
diff --git a/src/redux/actions/file.js b/src/redux/actions/file.js
index 6d7bb37..337f85f 100644
--- a/src/redux/actions/file.js
+++ b/src/redux/actions/file.js
@@ -88,8 +88,7 @@ export function doPurchaseUri(uri: string, costInfo: { cost: number }, saveFile:
     }
 
     const { cost } = costInfo;
-
-    if (cost > balance) {
+    if (parseFloat(cost) > balance) {
       dispatch({
         type: ACTIONS.PURCHASE_URI_FAILED,
         data: { uri, error: 'Insufficient credits' },
@@ -102,3 +101,10 @@ export function doPurchaseUri(uri: string, costInfo: { cost: number }, saveFile:
     dispatch(doFileGet(uri, saveFile));
   };
 }
+
+export function doDeletePurchasedUri(uri: string) {
+  return {
+    type: ACTIONS.DELETE_PURCHASED_URI,
+    data: { uri },
+  };
+}
diff --git a/src/redux/reducers/file.js b/src/redux/reducers/file.js
index 2e593fa..95a3b7e 100644
--- a/src/redux/reducers/file.js
+++ b/src/redux/reducers/file.js
@@ -6,6 +6,24 @@ const defaultState = {
   failedPurchaseUris: [],
   purchasedUris: [],
   purchasedStreamingUrls: {},
+  purchaseUriErrorMessage: '',
+};
+
+reducers[ACTIONS.PURCHASE_URI_STARTED] = (
+  state: FileState,
+  action: PurchaseUriStarted
+): FileState => {
+  const { uri } = action.data;
+  const newFailedPurchaseUris = state.failedPurchaseUris.slice();
+  if (newFailedPurchaseUris.includes(uri)) {
+    newFailedPurchaseUris.splice(newFailedPurchaseUris.indexOf(uri), 1);
+  }
+
+  return {
+    ...state,
+    failedPurchaseUris: newFailedPurchaseUris,
+    purchaseUriErrorMessage: '',
+  };
 };
 
 reducers[ACTIONS.PURCHASE_URI_COMPLETED] = (
@@ -32,6 +50,7 @@ reducers[ACTIONS.PURCHASE_URI_COMPLETED] = (
     failedPurchaseUris: newFailedPurchaseUris,
     purchasedUris: newPurchasedUris,
     purchasedStreamingUrls: newPurchasedStreamingUrls,
+    purchaseUriErrorMessage: '',
   };
 };
 
@@ -39,8 +58,9 @@ reducers[ACTIONS.PURCHASE_URI_FAILED] = (
   state: FileState,
   action: PurchaseUriFailed
 ): FileState => {
-  const { uri } = action.data;
+  const { uri, error } = action.data;
   const newFailedPurchaseUris = state.failedPurchaseUris.slice();
+
   if (!newFailedPurchaseUris.includes(uri)) {
     newFailedPurchaseUris.push(uri);
   }
@@ -48,6 +68,23 @@ reducers[ACTIONS.PURCHASE_URI_FAILED] = (
   return {
     ...state,
     failedPurchaseUris: newFailedPurchaseUris,
+    purchaseUriErrorMessage: error,
+  };
+};
+
+reducers[ACTIONS.DELETE_PURCHASED_URI] = (
+  state: FileState,
+  action: DeletePurchasedUri
+): FileState => {
+  const { uri } = action.data;
+  const newPurchasedUris = state.purchasedUris.slice();
+  if (newPurchasedUris.includes(uri)) {
+    newPurchasedUris.splice(newPurchasedUris.indexOf(uri), 1);
+  }
+
+  return {
+    ...state,
+    purchasedUris: newPurchasedUris,
   };
 };
 
diff --git a/src/redux/selectors/file.js b/src/redux/selectors/file.js
index 11caee5..7e0a1a1 100644
--- a/src/redux/selectors/file.js
+++ b/src/redux/selectors/file.js
@@ -5,6 +5,11 @@ type State = { file: FileState };
 
 export const selectState = (state: State): FileState => state.file || {};
 
+export const selectPurchaseUriErrorMessage: (state: State) => string = createSelector(
+  selectState,
+  state => state.purchaseUriErrorMessage
+);
+
 export const selectFailedPurchaseUris: (state: State) => Array<string> = createSelector(
   selectState,
   state => state.failedPurchaseUris