Hey bud,
First of all try keep your cheats 72 hours apart. Is that one meal cheat or just the whole weekend?lol!
Heat is the bomb... I've used it to achieve my 3-4% bf. But would be good to cycle it with another ECA like T3 Action so your receptors don't get use to them. 2 weeks on heat, 2 weeks T3 Action...
Don't know much about LAVA.