diff --git a/payments-ui-core/src/main/java/com/stripe/android/ui/core/StripeCardScanProxy.kt b/payments-ui-core/src/main/java/com/stripe/android/ui/core/StripeCardScanProxy.kt
index f570cd46d24..9715e8bb982 100644
--- a/payments-ui-core/src/main/java/com/stripe/android/ui/core/StripeCardScanProxy.kt
+++ b/payments-ui-core/src/main/java/com/stripe/android/ui/core/StripeCardScanProxy.kt
@@ -91,6 +91,7 @@ internal class UnsupportedStripeCardScanProxy : StripeCardScanProxy {
                 "Missing stripecardscan dependency, please add it to your apps build.gradle"
             )
         }
+        // TODO: add an error here for if the dependency is missing?
     }
 
     override fun attachCardScanFragment(
@@ -104,5 +105,6 @@ internal class UnsupportedStripeCardScanProxy : StripeCardScanProxy {
                 "Missing stripecardscan dependency, please add it to your apps build.gradle"
             )
         }
+        // TODO: add an error here for if the dependency is missing?
     }
 }
diff --git a/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/CardDetailsSectionElementUI.kt b/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/CardDetailsSectionElementUI.kt
index 88fb86ff073..72fec4c8b64 100644
--- a/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/CardDetailsSectionElementUI.kt
+++ b/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/CardDetailsSectionElementUI.kt
@@ -43,6 +43,7 @@ fun CardDetailsSectionElementUI(
         )
         if (controller.isCardScanEnabled && controller.isStripeCardScanAvailable()) {
             ScanCardButtonUI(enabled = enabled) {
+                // TODO: handle the data in the result intent being missing?
                 controller.cardDetailsElement.controller.numberElement.controller.onCardScanResult(
                     it.getParcelableExtra(CardScanActivity.CARD_SCAN_PARCELABLE_NAME)
                         ?: CardScanSheetResult.Failed(
diff --git a/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/ScanCardButtonUI.kt b/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/ScanCardButtonUI.kt
index 932ab32b24a..ed1759f885d 100644
--- a/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/ScanCardButtonUI.kt
+++ b/payments-ui-core/src/main/java/com/stripe/android/ui/core/elements/ScanCardButtonUI.kt
@@ -34,6 +34,7 @@ internal fun ScanCardButtonUI(
     val cardScanLauncher =
         rememberLauncherForActivityResult(ActivityResultContracts.StartActivityForResult()) {
             it.data?.let {
+                // TODO: log an error here if the card scanner fails?
                 onResult(it)
             }
         }
@@ -44,6 +45,7 @@ internal fun ScanCardButtonUI(
             indication = null,
             enabled = enabled,
             onClick = {
+                // TODO: run catching and log if the activity was missing?
                 cardScanLauncher.launch(
                     Intent(
                         context,
diff --git a/paymentsheet/src/main/java/com/stripe/android/paymentsheet/analytics/DefaultEventReporter.kt b/paymentsheet/src/main/java/com/stripe/android/paymentsheet/analytics/DefaultEventReporter.kt
index 3c10f78b730..ec966919e6b 100644
--- a/paymentsheet/src/main/java/com/stripe/android/paymentsheet/analytics/DefaultEventReporter.kt
+++ b/paymentsheet/src/main/java/com/stripe/android/paymentsheet/analytics/DefaultEventReporter.kt
@@ -16,6 +16,7 @@ import javax.inject.Inject
 import javax.inject.Singleton
 import kotlin.coroutines.CoroutineContext
 
+// TODO: add extra error analytics to this, as well as alerts for these errors
 @Singleton
 internal class DefaultEventReporter @Inject internal constructor(
     private val mode: EventReporter.Mode,
diff --git a/stripecardscan/src/main/java/com/stripe/android/stripecardscan/cardscan/CardScanSheet.kt b/stripecardscan/src/main/java/com/stripe/android/stripecardscan/cardscan/CardScanSheet.kt
index 3ad0bb3f68c..a8cb52cb09e 100644
--- a/stripecardscan/src/main/java/com/stripe/android/stripecardscan/cardscan/CardScanSheet.kt
+++ b/stripecardscan/src/main/java/com/stripe/android/stripecardscan/cardscan/CardScanSheet.kt
@@ -184,6 +184,7 @@ class CardScanSheet private constructor(private val stripePublishableKey: String
                 CARD_SCAN_FRAGMENT_REQUEST_KEY,
                 lifecycleOwner
             ) { _, bundle ->
+                // TODO: add an error here for params missing?
                 val result: CardScanSheetResult = bundle.getParcelable(
                     CARD_SCAN_FRAGMENT_BUNDLE_KEY
                 ) ?: CardScanSheetResult.Failed(Throwable("Card scan params not provided"))