Stop in for a cup of coffee

What happens the refrigerant as a liquid on the high side of the system migrates to the low side and has to rebalance for lack of a better term.

I had heard you could wait for settling but didn't know if there were any other reasons to keep it upright. Thanks, I'll size it all up, bringing a blanket so will see what I can do. Also stopping by shop to borrow hand truck : )