diff --git a/src/components/UpdateNotifier/UpdateNotifier.js b/src/components/UpdateNotifier/UpdateNotifier.js
index 3dcc989c..639f0465 100644
--- a/src/components/UpdateNotifier/UpdateNotifier.js
+++ b/src/components/UpdateNotifier/UpdateNotifier.js
@@ -1,4 +1,4 @@
-import React, { useContext, useEffect } from 'react'
+import { useContext, useEffect } from 'react'
 import { useRegisterSW } from 'virtual:pwa-register/react'
 
 import FarmhandContext from '../Farmhand/Farmhand.context'
@@ -20,13 +20,13 @@ const UpdateNotifier = () => {
 
     handleGameUpdateAvailable(updateServiceWorker)
 
-    // NOTE: Ensure the game is updated when the user opens the game next.
+    // NOTE: This ensures the game is updated when the user next opensit.
     window.addEventListener('beforeunload', () => {
       updateServiceWorker(true)
     })
   }, [appNeedsUpdate, handleGameUpdateAvailable, updateServiceWorker])
 
-  return <></>
+  return null
 }
 
 export default UpdateNotifier
diff --git a/src/game-logic/reducers/sellItem.test.js b/src/game-logic/reducers/sellItem.test.js
index 64994efa..38cbf6a1 100644
--- a/src/game-logic/reducers/sellItem.test.js
+++ b/src/game-logic/reducers/sellItem.test.js
@@ -141,7 +141,7 @@ describe('sellItem', () => {
             todaysNotifications: [],
             revenue: 0,
             todaysRevenue: 0,
-            valueAdjustments: { [carrotSeed.id]: 10 },
+            valueAdjustments: { [carrotSeed.id]: 1 },
           },
           testItem({ id: carrotSeed.id }),
           3
@@ -173,16 +173,16 @@ describe('sellItem', () => {
               todaysNotifications: [],
               revenue: 0,
               todaysRevenue: 0,
-              valueAdjustments: { [carrot.id]: 10 },
+              valueAdjustments: { [carrot.id]: 1 },
             },
             testItem({ id: carrot.id }),
             3
           )
 
-          expect(state.loanBalance).toEqual(62.5)
-          expect(state.money).toEqual(812.5)
-          expect(state.revenue).toEqual(712.5)
-          expect(state.todaysRevenue).toEqual(712.5)
+          expect(state.loanBalance).toEqual(96.25)
+          expect(state.money).toEqual(171.25)
+          expect(state.revenue).toEqual(71.25)
+          expect(state.todaysRevenue).toEqual(71.25)
         })
       })
 
@@ -199,7 +199,7 @@ describe('sellItem', () => {
               todaysNotifications: [],
               revenue: 0,
               todaysRevenue: 0,
-              valueAdjustments: { [carrot.id]: 10 },
+              valueAdjustments: { [carrot.id]: 1 },
             },
             testItem({ id: carrot.id }),
             3
@@ -211,8 +211,8 @@ describe('sellItem', () => {
         })
 
         test('sale is reduced based on remaining loan balance', () => {
-          expect(state.money).toEqual(848.5)
-          expect(state.todaysRevenue).toEqual(748.5)
+          expect(state.money).toEqual(173.5)
+          expect(state.todaysRevenue).toEqual(73.5)
         })
 
         test('payoff notification is shown', () => {
diff --git a/src/img/index.js b/src/img/index.js
index 85f3129e..c0e00579 100644
--- a/src/img/index.js
+++ b/src/img/index.js
@@ -191,6 +191,8 @@ import goldIngot from './ores/gold-ingot.png'
 
 // Cows
 import rainbowCow from './animals/cows/rainbow-cow.png'
+// NOTE: These need to be imported as dataUri strings because the image data is
+// programmatically manipulated by the getCowImage utility function.
 import cowVariation1 from './animals/cows/cow-variation-1.png?dataUri'
 import cowVariation2 from './animals/cows/cow-variation-2.png?dataUri'
 import cowVariation3 from './animals/cows/cow-variation-3.png?dataUri'
diff --git a/src/shell/field.test.js b/src/shell/field.test.js
index 75bc33a6..f729f8c6 100644
--- a/src/shell/field.test.js
+++ b/src/shell/field.test.js
@@ -72,10 +72,10 @@ describe('field interaction', () => {
 
   test('can enable fertilize mode', async () => {
     const field = screen.getByTestId('field')
-    const [, carrotSeedButton] = screen.getAllByAltText(fertilizer.name)
+    const [, fertilizerButton] = screen.getAllByAltText(fertilizer.name)
 
     expect(field).not.toHaveClass('fertilize-mode')
-    userEvent.click(carrotSeedButton)
+    userEvent.click(fertilizerButton)
     expect(field).toHaveClass('fertilize-mode')
   })
 })
diff --git a/vite.config.js b/vite.config.js
index 5b643083..1f02a922 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -10,7 +10,7 @@ import { manifest } from './manifest'
 // NOTE: See:
 //   - https://stackoverflow.com/a/78012267/470685
 //   - https://www.codu.co/articles/converting-an-image-to-a-data-uri-string-in-node-js-dznt83ha
-const base64Loader = {
+const dataUriLoader = {
   name: 'dataUri-loader',
   transform(_, id) {
     const [path, query] = id.split('?')
@@ -63,7 +63,7 @@ const viteConfig = defineConfig({
         })
       },
     },
-    base64Loader,
+    dataUriLoader,
   ],
   resolve: {
     alias: [
@@ -78,15 +78,6 @@ const viteConfig = defineConfig({
     // NOTE: By default, Vite doesn't include shims for NodeJS.
     global: {},
   },
-  // NOTE: This makes Vite treat .js files as .jsx (for legacy support)
-  // See: https://stackoverflow.com/a/76458411/470685
-  optimizeDeps: {
-    esbuildOptions: {
-      loader: {
-        '.js': 'jsx',
-      },
-    },
-  },
 })
 
 const vitestConfig = vitestDefineConfig({