Choose and promote products to offer to your customer as upselling before paying the order.
You can encourage customers to purchase a product/service with a special offer just when they are more inclined to complete their purchase.
You will increase the conversions of the discounted product (based on studies, 30% of customers takes advantage of the offer) and global sales on your store.

WPSPowerbox - Addon for WPShapere WordPress Admin Theme
Neve Pro - Business Plan
JetThemeCore For Elementor
WooCommerce Tab Manager
ToolKit For Elementor Plugin
Download Manager Pro Download Limit
WooMail WooCommerce Email Customizer
WordPress Admin Theme - WPShapere
Advanced Custom Fields for WooCommerce
BuddyPress User Profile Tabs Creator Pro
Advanced Woo Search Pro
Product Loops for WooCommerce
JetTricks For Elementor
GeoDirectory Custom Google Maps
FooGallery PRO Expert
EventOn Event Tickets
WordPress Events Calendar Registration and Tickets
Envira Gallery Pro Elementor Addon
GeoDirectory List Manager
WooCommerce Photo Reviews - Review Reminders
Download Manager Pro Form Lock Add-on
WordPress Multilingual WooCommerce Gateways Country Limiter Add-On
Storewide Sale For WooCommerce
EventON - Virtual Plus
YooTheme Pro - Joomla Visual Designer J3
Meta Box AIO
WooCommerce Abandoned Cart Recovery Premium
WooCommerce Boost Sales
If-So Dynamic Content Pro
WooCommerce Group Attributes
Social Auto Poster
Real Estate Manager Pro - WordPress Plugin
WordPress Preloader Unlimited 
