Dont have much gold yet because RNG hates me. But when I finally sell something for more than 100k what should I look to upgrade first? Right now been farming Act 3 on MP0 because I pretty much 1 shot everything with Tempest Rush. Tried going up to 2 and it just wasnt as fast because I could no longer 1 shot everything, therefore less efficient. So what do I do need to do to make MP 2-3 just as faceroll as MP0? Or should I just stick to MP0? Are the drops better in higher MPs? Havent played since GW2 came out so not really familiar with MP levels yet other than mobs are harder.
I can't see your problem, and you should be fine with your present setup farming at low MP levels.
There is a long discussion on TR farming at low MP level in this forum, take a look.
You're not going to do any meaningful upgrade with 100k, and in case you want to move up MP level, get some LOH on the amulet and/or rings, you shouldn't have much problem with 100k+ dps along with LS+LOH.
http://us.battle.net/d3/en/profile/Dabrixmgp-1694/hero/28801839
There is a long discussion on TR farming at low MP level in this forum, take a look.
You're not going to do any meaningful upgrade with 100k, and in case you want to move up MP level, get some LOH on the amulet and/or rings, you shouldn't have much problem with 100k+ dps along with LS+LOH.