What is it about watercooling you don't understand? Posting your questions here will be the first step, nothing beats free advise, and the forum members are more than happy to help you out.
Watch toms water cooling guide vid on the oc3d channel just search for time to live customs and all the info you could need you will find on that channel on youtube
Yeh just for labour haha. Reason behind it. .... you have to support it. I imagine they don't know how to build a water cooling Pc how many telephone calls and emails you will get. Plus the fact i do not do home systems any more i gave that up years ago.
I'm in the opposite boat. I need something to else to focus on right now in spare moments. So doing a a new PC build and a 1st water cooling is just the ticket
(I'm doing home hospice care with my Dad now, so something totally unrelated to think about is a blessing.)