Since your already read my post in your rhp thread I'll answer the temp gun part. All my temp guns have cost me over $100. Amazon has one from etekcity that a few people use but I have no experience with it myself. 2 lasers vs 1 I'm not sure about either. I've heard good things about the tg-412L from reptile basics but I haven't used that either, I'm going to be ordering it soon bc one of my expensive ones took a crap and I don't wanna spend what I did on another but if you order an rhp from them and the temp gun and anything else you may need you get free shipping over $100. What I would do is order one that has decent reviews and test it against the acurite thermometer readings and then if its a few degrees off just remember by how much but if it gives you different readings every time you test it I would send it back.