diff --git a/zcash_client_sqlite/src/transact.rs b/zcash_client_sqlite/src/transact.rs
index 1c8a524e3..c5e64c09d 100644
--- a/zcash_client_sqlite/src/transact.rs
+++ b/zcash_client_sqlite/src/transact.rs
@@ -505,7 +505,7 @@ mod tests {
             Ok(_) => panic!("Should have failed"),
             Err(e) => assert_eq!(
                 e.to_string(),
-                "Insufficient balance (have 0, need 10001 including fee)"
+                "Insufficient balance (have 0, need 1001 including fee)"
             ),
         }
     }
@@ -571,7 +571,7 @@ mod tests {
             Ok(_) => panic!("Should have failed"),
             Err(e) => assert_eq!(
                 e.to_string(),
-                "Insufficient balance (have 50000, need 80000 including fee)"
+                "Insufficient balance (have 50000, need 71000 including fee)"
             ),
         }
 
@@ -603,7 +603,7 @@ mod tests {
             Ok(_) => panic!("Should have failed"),
             Err(e) => assert_eq!(
                 e.to_string(),
-                "Insufficient balance (have 50000, need 80000 including fee)"
+                "Insufficient balance (have 50000, need 71000 including fee)"
             ),
         }
 
@@ -690,7 +690,7 @@ mod tests {
             Ok(_) => panic!("Should have failed"),
             Err(e) => assert_eq!(
                 e.to_string(),
-                "Insufficient balance (have 0, need 12000 including fee)"
+                "Insufficient balance (have 0, need 3000 including fee)"
             ),
         }
 
@@ -722,7 +722,7 @@ mod tests {
             Ok(_) => panic!("Should have failed"),
             Err(e) => assert_eq!(
                 e.to_string(),
-                "Insufficient balance (have 0, need 12000 including fee)"
+                "Insufficient balance (have 0, need 3000 including fee)"
             ),
         }
 
diff --git a/zcash_extensions/src/transparent/demo.rs b/zcash_extensions/src/transparent/demo.rs
index ac991a82d..7dad127dd 100644
--- a/zcash_extensions/src/transparent/demo.rs
+++ b/zcash_extensions/src/transparent/demo.rs
@@ -475,7 +475,10 @@ mod tests {
         sapling::Node,
         transaction::{
             builder::Builder,
-            components::{Amount, OutPoint, TzeIn, TzeOut},
+            components::{
+                amount::{Amount, DEFAULT_FEE},
+                OutPoint, TzeIn, TzeOut,
+            },
             Transaction, TransactionData,
         },
         zip32::ExtendedSpendingKey,
@@ -739,7 +742,7 @@ mod tests {
             extension_id: 0,
         };
         let prevout_a = (OutPoint::new(tx_a.txid().0, 0), tx_a.tze_outputs[0].clone());
-        let value_xfr = Amount::from_u64(90000).unwrap();
+        let value_xfr = value - DEFAULT_FEE;
         db_b.demo_transfer_to_close(prevout_a, value_xfr, preimage_1, h2)
             .map_err(|e| format!("transfer failure: {:?}", e))
             .unwrap();
@@ -765,7 +768,7 @@ mod tests {
         builder_c
             .add_transparent_output(
                 &TransparentAddress::PublicKey([0; 20]),
-                Amount::from_u64(80000).unwrap(),
+                value_xfr - DEFAULT_FEE,
             )
             .unwrap();
 
diff --git a/zcash_primitives/src/transaction/builder.rs b/zcash_primitives/src/transaction/builder.rs
index 45a2e2e43..853e7b29d 100644
--- a/zcash_primitives/src/transaction/builder.rs
+++ b/zcash_primitives/src/transaction/builder.rs
@@ -870,7 +870,7 @@ mod tests {
         primitives::Rseed,
         prover::mock::MockTxProver,
         sapling::Node,
-        transaction::components::Amount,
+        transaction::components::{amount::Amount, amount::DEFAULT_FEE},
         zip32::{ExtendedFullViewingKey, ExtendedSpendingKey},
     };
 
@@ -990,7 +990,7 @@ mod tests {
             let builder = Builder::new(TEST_NETWORK, H0);
             assert_eq!(
                 builder.build(consensus::BranchId::Sapling, &MockTxProver),
-                Err(Error::ChangeIsNegative(Amount::from_i64(-10000).unwrap()))
+                Err(Error::ChangeIsNegative(Amount::zero() - DEFAULT_FEE))
             );
         }
 
@@ -999,7 +999,7 @@ mod tests {
         let to = extfvk.default_address().unwrap().1;
 
         // Fail if there is only a Sapling output
-        // 0.0005 z-ZEC out, 0.0001 t-ZEC fee
+        // 0.0005 z-ZEC out, 0.00001 t-ZEC fee
         {
             let mut builder = Builder::new(TEST_NETWORK, H0);
             builder
@@ -1007,12 +1007,14 @@ mod tests {
                 .unwrap();
             assert_eq!(
                 builder.build(consensus::BranchId::Sapling, &MockTxProver),
-                Err(Error::ChangeIsNegative(Amount::from_i64(-60000).unwrap()))
+                Err(Error::ChangeIsNegative(
+                    Amount::from_i64(-50000).unwrap() - DEFAULT_FEE
+                ))
             );
         }
 
         // Fail if there is only a transparent output
-        // 0.0005 t-ZEC out, 0.0001 t-ZEC fee
+        // 0.0005 t-ZEC out, 0.00001 t-ZEC fee
         {
             let mut builder = Builder::new(TEST_NETWORK, H0);
             builder
@@ -1023,12 +1025,14 @@ mod tests {
                 .unwrap();
             assert_eq!(
                 builder.build(consensus::BranchId::Sapling, &MockTxProver),
-                Err(Error::ChangeIsNegative(Amount::from_i64(-60000).unwrap()))
+                Err(Error::ChangeIsNegative(
+                    Amount::from_i64(-50000).unwrap() - DEFAULT_FEE
+                ))
             );
         }
 
         let note1 = to
-            .create_note(59999, Rseed::BeforeZip212(jubjub::Fr::random(&mut rng)))
+            .create_note(50999, Rseed::BeforeZip212(jubjub::Fr::random(&mut rng)))
             .unwrap();
         let cmu1 = Node::new(note1.cmu().to_repr());
         let mut tree = CommitmentTree::new();
@@ -1036,7 +1040,7 @@ mod tests {
         let mut witness1 = IncrementalWitness::from_tree(&tree);
 
         // Fail if there is insufficient input
-        // 0.0003 z-ZEC out, 0.0002 t-ZEC out, 0.0001 t-ZEC fee, 0.00059999 z-ZEC in
+        // 0.0003 z-ZEC out, 0.0002 t-ZEC out, 0.00001 t-ZEC fee, 0.00050999 z-ZEC in
         {
             let mut builder = Builder::new(TEST_NETWORK, H0);
             builder
diff --git a/zcash_primitives/src/transaction/components/amount.rs b/zcash_primitives/src/transaction/components/amount.rs
index 14f260431..f46c0b820 100644
--- a/zcash_primitives/src/transaction/components/amount.rs
+++ b/zcash_primitives/src/transaction/components/amount.rs
@@ -4,7 +4,7 @@ use std::ops::{Add, AddAssign, Sub, SubAssign};
 pub const COIN: i64 = 1_0000_0000;
 pub const MAX_MONEY: i64 = 21_000_000 * COIN;
 
-pub const DEFAULT_FEE: Amount = Amount(10000);
+pub const DEFAULT_FEE: Amount = Amount(1000);
 
 /// A type-safe representation of some quantity of Zcash.
 ///