diff --git a/integration_test/integration_test.go b/integration_test/integration_test.go
index d215b142..ef44a711 100644
--- a/integration_test/integration_test.go
+++ b/integration_test/integration_test.go
@@ -2,7 +2,6 @@ package integration_test
 
 import (
 	"fmt"
-	"math/big"
 	"os"
 	"strings"
 	"testing"
@@ -18,6 +17,8 @@ var recipientPrivateKey = os.Getenv("INTEGRATION_TEST_RECEIVER_PRIVATE_KEY")
 var nodeURL = "http://localhost:3013"
 var networkID = "ae_docker"
 
+// Tests for 2 things: sending an amount that is max uint64, and that the node accepts the minimum fee
+// that is calculated via tx.EstimateFee().
 func TestSpendTxWithNode(t *testing.T) {
 	senderAccount, err := aeternity.AccountFromHexString(senderPrivateKey)
 	if err != nil {
@@ -30,70 +31,6 @@ func TestSpendTxWithNode(t *testing.T) {
 	aeternity.Config.Node.NetworkID = networkID
 	aeCli := aeternity.NewCli(aeternity.Config.Node.URL, false)
 
-	// In case this test has been run before, get recipient's account info. If it exists, expectedAmount = amount + 10
-	var expectedAmount big.Int
-	recipientAccount, err := aeCli.APIGetAccount(recipient)
-	if err != nil {
-		expectedAmount.SetInt64(10)
-	} else {
-		expectedAmount.Add(recipientAccount.Balance.Int, big.NewInt(10))
-		fmt.Printf("Recipient already exists with balance %v, expectedAmount after test is %s\n", recipientAccount.Balance.String(), expectedAmount.String())
-	}
-
-	amount := utils.NewBigInt()
-	amount.SetInt64(10)
-	fee := utils.NewBigInt()
-	fee.SetUint64(uint64(2e13))
-	ttl, nonce, err := aeCli.GetTTLNonce(sender, aeternity.Config.Client.TTL)
-	if err != nil {
-		t.Fatalf("Error in GetTTLNonce(): %v", err)
-	}
-
-	// create the SpendTransaction
-	tx := aeternity.NewSpendTx(sender, recipient, *amount, *fee, message, ttl, nonce)
-	base64TxMsg, err := aeternity.BaseEncodeTx(&tx)
-	if err != nil {
-		t.Fatalf("Base64 encoding errored out: %v", err)
-	}
-	fmt.Println(base64TxMsg)
-
-	// sign the transaction, output params for debugging
-	signedBase64TxMsg, hash, signature, err := aeternity.SignEncodeTxStr(senderAccount, base64TxMsg, aeternity.Config.Node.NetworkID)
-	if err != nil {
-		t.Error(err)
-	}
-	fmt.Println(signedBase64TxMsg, hash, signature)
-
-	// send the signed transaction to the node
-	err = aeCli.BroadcastTransaction(signedBase64TxMsg)
-	if err != nil {
-		t.Fatalf("Error while broadcasting transaction: %v", err)
-	}
-
-	// check the recipient's balance
-	recipientAccount, err = aeCli.APIGetAccount(recipient)
-	if err != nil {
-		t.Fatalf("Couldn't get recipient's account data: %v", err)
-	}
-
-	if recipientAccount.Balance.Cmp(&expectedAmount) != 0 {
-		t.Fatalf("Recipient should have %v, but has %v instead", expectedAmount.String(), recipientAccount.Balance.String())
-	}
-}
-
-func TestSpendTxLargeWithNode(t *testing.T) {
-	// This is a separate test because the account may not have enough funds for this test when the node has just started.
-	senderAccount, err := aeternity.AccountFromHexString(senderPrivateKey)
-	if err != nil {
-		t.Fatal(err)
-	}
-	recipient := "ak_Egp9yVdpxmvAfQ7vsXGvpnyfNq71msbdUpkMNYGTeTe8kPL3v"
-	message := "Hello World"
-
-	aeternity.Config.Node.URL = nodeURL
-	aeternity.Config.Node.NetworkID = "ae_docker"
-	aeCli := aeternity.NewCli(aeternity.Config.Node.URL, false)
-
 	amount := utils.RequireBigIntFromString("18446744073709551615") // max uint64
 	fee := utils.NewBigIntFromUint64(uint64(2e13))
 	var expectedAmount = utils.NewBigInt()
@@ -113,6 +50,11 @@ func TestSpendTxLargeWithNode(t *testing.T) {
 
 	// create the SpendTransaction
 	tx := aeternity.NewSpendTx(sender, recipient, *amount, *fee, message, ttl, nonce)
+	// minimize the fee to save money!
+	estimatedFee, _ := tx.FeeEstimate()
+	fmt.Println("Estimated vs Actual Fee:", estimatedFee, tx.Fee)
+	tx.Fee = *estimatedFee
+
 	base64TxMsg, err := aeternity.BaseEncodeTx(&tx)
 	if err != nil {
 		t.Fatalf("Base64 encoding errored out: %v", err)