At the bottom of the page you linked I found this link for "Frequently bought together"
https://www.amazon.com/BTF-LIGHTING-WL5-Controller-Compatible-Smartphone/dp/B08L9GWJK1
When I viewed more "Frequently bought together" suggestions, I found these links:
https://www.amazon.com/BTF-LIGHTING-DC12V-Aluminum-Supply-Modules/dp/B01D8FLXJU
https://www.amazon.com/LEDENET-22AWG-Extension-RGBCCT-Lights/dp/B07T6LCZKJ
https://www.amazon.com/Connector-Solderless-Extension-Connection-Multicolor/dp/B0986W9YR6
This seems kinda interesting:
https://www.amazon.com/dp/B06XSVL9CG
These are incredible. Would have saved me hours and hours.