diff --git a/README.md b/README.md
index 50a1f1b3..c38cc995 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ considered compromised.** If you want to test services on mainnet with this
 tool, make sure to create a new account and fund it with the minimum assets
 required.
 
+Note, that dy default base fee is 100 stroops. That may not be enough for mainnet application, and base fee can be changed via `REACT_APP_BASE_FEE` environment variable
+
 ## Getting A Test Account Up and Running
 
 You can use the demo wallet to interact with the following anchor services:
diff --git a/packages/demo-wallet-client/src/ducks/claimAsset.ts b/packages/demo-wallet-client/src/ducks/claimAsset.ts
index 121e9f4e..a318619e 100644
--- a/packages/demo-wallet-client/src/ducks/claimAsset.ts
+++ b/packages/demo-wallet-client/src/ducks/claimAsset.ts
@@ -1,5 +1,4 @@
 import { createAsyncThunk, createSlice } from "@reduxjs/toolkit";
-import { BASE_FEE } from "stellar-sdk";
 import { RootState } from "config/store";
 import { accountSelector } from "ducks/account";
 import { getErrorMessage } from "demo-wallet-shared/build/helpers/getErrorMessage";
@@ -65,7 +64,7 @@ export const claimAssetAction = createAsyncThunk<
           assetCode,
           networkPassphrase: networkConfig.network,
           networkUrl: networkConfig.url,
-          fee: BASE_FEE,
+          fee: networkConfig.baseFee,
         });
 
         return { result, trustedAssetAdded };
diff --git a/packages/demo-wallet-shared/helpers/getNetworkConfig.ts b/packages/demo-wallet-shared/helpers/getNetworkConfig.ts
index 56db059f..4cefad83 100644
--- a/packages/demo-wallet-shared/helpers/getNetworkConfig.ts
+++ b/packages/demo-wallet-shared/helpers/getNetworkConfig.ts
@@ -1,8 +1,9 @@
-import { Networks } from "stellar-sdk";
+import {Networks, BASE_FEE} from "stellar-sdk";
 
 export const getNetworkConfig = () => {
   return {
     network: window._env_.HORIZON_PASSPHRASE || Networks.TESTNET,
     url: window._env_.HORIZON_URL || "https://horizon-testnet.stellar.org",
+    baseFee: process?.env?.REACT_APP_BASE_FEE || BASE_FEE,
   };
 };
diff --git a/packages/demo-wallet-shared/methods/sep24/pollWithdrawUntilComplete.ts b/packages/demo-wallet-shared/methods/sep24/pollWithdrawUntilComplete.ts
index 05cf9ec9..e1f9f6da 100644
--- a/packages/demo-wallet-shared/methods/sep24/pollWithdrawUntilComplete.ts
+++ b/packages/demo-wallet-shared/methods/sep24/pollWithdrawUntilComplete.ts
@@ -1,7 +1,6 @@
 import {
   Account,
   Asset,
-  BASE_FEE,
   Keypair,
   Operation,
   Horizon,
@@ -10,6 +9,7 @@ import {
 import { log } from "../../helpers/log";
 import { createMemoFromType } from "../createMemoFromType";
 import { TransactionStatus } from "../../types/types";
+import {getNetworkConfig} from "../../helpers/getNetworkConfig";
 
 export const pollWithdrawUntilComplete = async ({
   secretKey,
@@ -93,7 +93,7 @@ export const pollWithdrawUntilComplete = async ({
 
           const account = new Account(keypair.publicKey(), sequence);
           const txn = new TransactionBuilder(account, {
-            fee: BASE_FEE,
+            fee: getNetworkConfig().baseFee,
             networkPassphrase,
           })
             .addOperation(
diff --git a/packages/demo-wallet-shared/methods/sep31Send/sendPayment.ts b/packages/demo-wallet-shared/methods/sep31Send/sendPayment.ts
index 37d8f55c..f5969cdf 100644
--- a/packages/demo-wallet-shared/methods/sep31Send/sendPayment.ts
+++ b/packages/demo-wallet-shared/methods/sep31Send/sendPayment.ts
@@ -2,7 +2,6 @@ import { getCatchError } from "@stellar/frontend-helpers";
 import {
   Account,
   Asset,
-  BASE_FEE,
   Keypair,
   Memo,
   Operation,
@@ -11,6 +10,7 @@ import {
 } from "stellar-sdk";
 import { log } from "../../helpers/log";
 import { MemoTypeString } from "../../types/types";
+import {getNetworkConfig} from "../../helpers/getNetworkConfig";
 
 interface SendPaymentProps {
   secretKey: string;
@@ -100,7 +100,7 @@ export const sendPayment = async ({
   }
 
   const tx = new TransactionBuilder(new Account(publicKey, sequence), {
-    fee: (Number(BASE_FEE) * 5).toString(),
+    fee: (Number(getNetworkConfig().baseFee) * 5).toString(),
     networkPassphrase,
   })
     .addOperation(
diff --git a/packages/demo-wallet-shared/methods/sep6/pollWithdrawUntilComplete.ts b/packages/demo-wallet-shared/methods/sep6/pollWithdrawUntilComplete.ts
index 04cdc2cb..62b5602b 100644
--- a/packages/demo-wallet-shared/methods/sep6/pollWithdrawUntilComplete.ts
+++ b/packages/demo-wallet-shared/methods/sep6/pollWithdrawUntilComplete.ts
@@ -1,7 +1,6 @@
 import {
   Account,
   Asset,
-  BASE_FEE,
   Keypair,
   Operation,
   Horizon,
@@ -10,6 +9,7 @@ import {
 import { log } from "../../helpers/log";
 import { createMemoFromType } from "../createMemoFromType";
 import { AnyObject, TransactionStatus } from "../../types/types";
+import {getNetworkConfig} from "../../helpers/getNetworkConfig";
 
 export const pollWithdrawUntilComplete = async ({
   amount,
@@ -95,7 +95,7 @@ export const pollWithdrawUntilComplete = async ({
 
           const account = new Account(keypair.publicKey(), sequence);
           const txn = new TransactionBuilder(account, {
-            fee: BASE_FEE,
+            fee: getNetworkConfig().baseFee,
             networkPassphrase,
           })
             .addOperation(
diff --git a/packages/demo-wallet-shared/methods/submitPaymentTransaction.ts b/packages/demo-wallet-shared/methods/submitPaymentTransaction.ts
index dac584e0..93284e3b 100644
--- a/packages/demo-wallet-shared/methods/submitPaymentTransaction.ts
+++ b/packages/demo-wallet-shared/methods/submitPaymentTransaction.ts
@@ -1,5 +1,4 @@
 import {
-  BASE_FEE,
   Keypair,
   Horizon,
   Account,
@@ -115,7 +114,7 @@ export const buildPaymentTransaction = async ({
     }
 
     transaction = new TransactionBuilder(source, {
-      fee: BASE_FEE,
+      fee: getNetworkConfig().baseFee,
       networkPassphrase: getNetworkConfig().network,
       timebounds: await server.fetchTimebounds(100),
     }).addOperation(operation);
diff --git a/packages/demo-wallet-shared/methods/trustAsset.ts b/packages/demo-wallet-shared/methods/trustAsset.ts
index c912292b..c8da1004 100644
--- a/packages/demo-wallet-shared/methods/trustAsset.ts
+++ b/packages/demo-wallet-shared/methods/trustAsset.ts
@@ -1,6 +1,5 @@
 import {
   TransactionBuilder,
-  BASE_FEE,
   Operation,
   Asset,
   Keypair,
@@ -9,6 +8,7 @@ import {
 import { getErrorMessage } from "../helpers/getErrorMessage";
 import { log } from "../helpers/log";
 import { TrustAssetParam } from "../types/types";
+import {getNetworkConfig} from "../helpers/getNetworkConfig";
 
 export const trustAsset = async ({
   secretKey,
@@ -36,7 +36,7 @@ export const trustAsset = async ({
 
     log.instruction({ title: "Building add trustline transaction" });
     const transaction = new TransactionBuilder(account, {
-      fee: BASE_FEE,
+      fee: getNetworkConfig().baseFee,
       networkPassphrase,
     })
       .addOperation(