diff --git a/src/wizards/engagement/components/active-campaign.js b/src/wizards/engagement/components/active-campaign.js
index bd97e8f47a..365fe5ba17 100644
--- a/src/wizards/engagement/components/active-campaign.js
+++ b/src/wizards/engagement/components/active-campaign.js
@@ -38,6 +38,15 @@ export default function ActiveCampaign( { value, onChange } ) {
 				title={ __( 'ActiveCampaign settings', 'newspack-plugin' ) }
 				description={ __( 'Settings for the ActiveCampaign integration.', 'newspack-plugin' ) }
 			/>
+			{ value.masterList === '' && (
+				<Notice
+					noticeText={ __(
+						'No Master List selected. You will not be able to send reader activity data to ActiveCampaign.',
+						'newspack-plugin'
+					) }
+					isError
+				/>
+			)}
 			<SelectControl
 				label={ __( 'Master List', 'newspack-plugin' ) }
 				help={ __(
diff --git a/src/wizards/engagement/components/mailchimp.js b/src/wizards/engagement/components/mailchimp.js
index 29c909909c..bd1b7c71f8 100644
--- a/src/wizards/engagement/components/mailchimp.js
+++ b/src/wizards/engagement/components/mailchimp.js
@@ -38,6 +38,15 @@ export default function Mailchimp( { value, onChange } ) {
 				title={ __( 'Mailchimp settings', 'newspack-plugin' ) }
 				description={ __( 'Settings for the Mailchimp integration.', 'newspack-plugin' ) }
 			/>
+			{ value.audienceId === '' && (
+				<Notice
+					noticeText={ __(
+						'No Mailchimp audience selected. You will not be able to send reader activity data to Mailchimp.',
+						'newspack-plugin'
+					) }
+					isError
+				/>
+			)}
 			<SelectControl
 				label={ __( 'Audience ID', 'newspack-plugin' ) }
 				help={ __( 'Choose an audience to receive reader activity data.', 'newspack-plugin' ) }
@@ -51,17 +60,17 @@ export default function Mailchimp( { value, onChange } ) {
 			/>
 			{ value.audienceId && (
 				<SelectControl
-					label={ __( 'Default reader status', 'newspack' ) }
+					label={ __( 'Default reader status', 'newspack-plugin' ) }
 					help={ __(
 						'Choose which MailChimp status readers should have by default if they are not subscribed to any newsletters',
-						'newspack'
+						'newspack-plugin'
 					) }
 					disabled={ inFlight }
 					value={ value.readerDefaultStatus }
 					onChange={ handleChange( 'readerDefaultStatus' ) }
 					options={ [
-						{ value: 'transactional', label: __( 'Transactional/Non-Subscribed', 'newspack' ) },
-						{ value: 'subscribed', label: __( 'Subscribed', 'newspack' ) },
+						{ value: 'transactional', label: __( 'Transactional/Non-Subscribed', 'newspack-plugin' ) },
+						{ value: 'subscribed', label: __( 'Subscribed', 'newspack-plugin' ) },
 					] }
 				/>
 			) }
diff --git a/src/wizards/engagement/views/newsletters/index.js b/src/wizards/engagement/views/newsletters/index.js
index a68d9245e5..97e1254f6f 100644
--- a/src/wizards/engagement/views/newsletters/index.js
+++ b/src/wizards/engagement/views/newsletters/index.js
@@ -25,7 +25,6 @@ import {
 	ActionCard,
 	Grid,
 	PluginInstaller,
-	SectionHeader,
 	SelectControl,
 	TextControl,
 	Waiting,
@@ -413,13 +412,6 @@ const Newsletters = () => {
 				setInitialProvider={ setInitialProvider }
 			/>
 			<SubscriptionLists lockedLists={ lockedLists } initialProvider={ initialProvider } />
-			{ 'mailchimp' === newslettersConfig?.newspack_newsletters_service_provider && (
-				<>
-					<hr />
-					<SectionHeader title={ __( 'WooCommerce integration', 'newspack-plugin' ) } />
-					<PluginInstaller plugins={ [ 'mailchimp-for-woocommerce' ] } withoutFooterButton />
-				</>
-			) }
 		</>
 	);
 };
diff --git a/src/wizards/engagement/views/reader-activation/index.js b/src/wizards/engagement/views/reader-activation/index.js
index dfd2c7ffb8..cfff94748b 100644
--- a/src/wizards/engagement/views/reader-activation/index.js
+++ b/src/wizards/engagement/views/reader-activation/index.js
@@ -391,6 +391,18 @@ export default withWizardScreen( ( { wizardApiFetch } ) => {
 						<Button
 							isPrimary
 							onClick={ () => {
+								if ( config.sync_esp ) {
+									if (isMailchimp && config.mailchimp_audience_id === '') {
+										// eslint-disable-next-line no-alert
+										alert( __( 'Please select a Mailchimp Audience ID.', 'newspack-plugin' ) );
+										return
+									}
+									if (isActiveCampaign && config.active_campaign_master_list === '') {
+										// eslint-disable-next-line no-alert
+										alert( __( 'Please select an ActiveCampaign Master List.', 'newspack-plugin' ) );
+										return
+									}
+								}
 								saveConfig( {
 									newsletters_label: config.newsletters_label, // TODO: Deprecate this in favor of user input via the prompt copy wizard.
 									mailchimp_audience_id: config.mailchimp_audience_id,