hydraulic questions

k i could search i guess but i dont really want to and i dont feel like signing up on layitlow anways heres my questions.im about to buy a 65 electra and i'm debateing if i should go bags or hydros and i'm leaning to the dros to keep it old school so i need some help to understand it better.1 how do the cylinders attach to the front arms and rear. i know i'll have to 4 link it if it doesnt have trailing arms already but i dont know how the cylinders attach are there weld on brackets that bolt on to the cylinders or what?2 how do i charge the batteries? is there a charging system that can charge the batteries while driving? i only plan on doing a 2 bay 4 batt set up.3 do i need to chain bridge to do standing 3 wheels? also will a basic 2 pump fbss kit allow me to do standing 3 wheels? 4 i dont plan on hopping it but if i wanted to what all do i need to reinforce? frame wrape and what else control arms too?5 what springs do i run with it aswell?

i believe thats all the questions i can think of if you have any other tips hints anything to help me out id appreciate it alotthanx