How to maximize or increase the money and rss when doing a raid?

A: Be a raider.

B: Build a Trap house and max it out.

C: Max your Class APC out and put your best heroes in it. Focus level and skill upgrades on those heroes.

D: ONLY attack with Class APC; it loots money.

E: Don't hit farmers; their goodies are harder to get.

F: Much later, somewhere in tech, there was, if not removed with all the changes, tech to increase money looted while sieging.