Would it increase the chances (or somehow decrease them) if you where to try multiple LD techniques? For example: Go to sleep using MILD then WBTB and then VILD? I’m pretty sure that it wouldn’t do any harm but mabye to many will cancel each other out.
No, they can’t “cancel each other out”. It’ll be pretty obvious whether VILD worked or not, though. So you can say “It was VILD” or “It was WBTB and/or MILD” and decide which is best for you