diff --git a/services/rfq/relayer/inventory/manager_test.go b/services/rfq/relayer/inventory/manager_test.go
index 84444a2c5f..2f3ffbd3c6 100644
--- a/services/rfq/relayer/inventory/manager_test.go
+++ b/services/rfq/relayer/inventory/manager_test.go
@@ -183,3 +183,67 @@ func (i *InventoryTestSuite) TestGetRebalance() {
 	i.NoError(err)
 	i.Nil(rebalance)
 }
+
+func (i *InventoryTestSuite) TestHasSufficientGas() {
+	var wg sync.WaitGroup
+	wg.Add(len(i.backends))
+	for _, backend := range i.backends {
+		go func(backend backends.SimulatedTestBackend) {
+			defer wg.Done()
+
+			// fund the relayer
+			mintMulAmount := big.NewInt(int64(gofakeit.Number(0, 6)))
+			mintAmount := new(big.Int).Mul(mintMulAmount, big.NewInt(params.Ether))
+
+			metadata, usdt := i.manager.GetUSDT(i.GetTestContext(), backend)
+			_ = metadata
+			_ = usdt
+			_ = mintAmount
+		}(backend)
+	}
+	wg.Wait()
+
+	// TODO: these chain IDs are hardcoded; should probably be assigned in suite as fields
+	origin := 1
+	dest := 2
+
+	getManager := func(gasThresholds []*big.Int) inventory.Manager {
+		cfg := relconfig.Config{
+			Chains: map[int]relconfig.ChainConfig{},
+		}
+		for idx, chainID := range []int{origin, dest} {
+			backend := i.backends[chainID]
+			handle, _ := i.manager.GetMockERC20(i.GetTestContext(), backend)
+			cfg.Chains[int(backend.GetChainID())] = relconfig.ChainConfig{
+				MinGasToken: gasThresholds[idx].String(),
+				Tokens: map[string]relconfig.TokenConfig{
+					"USDC": {
+						Address:  handle.Address().String(),
+						Decimals: 6,
+					},
+				},
+			}
+		}
+
+		im, err := inventory.NewInventoryManager(i.GetTestContext(), omnirpcClient.NewOmnirpcClient(i.omnirpcURL, metrics.Get()), metrics.Get(), cfg, i.relayer.Address(), nil, i.db)
+		i.Require().NoError(err)
+		return im
+	}
+
+	im := getManager([]*big.Int{big.NewInt(params.Ether), big.NewInt(params.Ether)})
+	sufficient, err := im.HasSufficientGas(i.GetTestContext(), origin, dest)
+	i.NoError(err)
+	i.True(sufficient)
+
+	// multiply big int to avoid overflow
+	largeBalance := new(big.Int).Mul(big.NewInt(params.Ether), big.NewInt(100))
+	im = getManager([]*big.Int{largeBalance, big.NewInt(params.Ether)})
+	sufficient, err = im.HasSufficientGas(i.GetTestContext(), origin, dest)
+	i.NoError(err)
+	i.False(sufficient)
+
+	im = getManager([]*big.Int{big.NewInt(params.Ether), largeBalance})
+	sufficient, err = im.HasSufficientGas(i.GetTestContext(), origin, dest)
+	i.NoError(err)
+	i.False(sufficient)
+}