If there is mold, it will usually be A) on the subfloor exterior, joists, and insulation in the crawlspace, or B) in any areas of water damage/water leaks inside the walls, behind tile in bathrooms, etc.

How are flippers purchasing items such as Tile, LVP, Windows, Doors and so on at an extreme discount?

A solid fourplex that lays the foundation for a future portfolio.Here's the thing: While my mortgage experience is solid, I'm diving headfirst into the world of multifamily investing.

Custom tile showers. 

I assume even 100 grit would sand down the existing stain, is there any reason we should lay new stain (aside from aesthetic), or just poly and be done with it?

Tiling bathroom floors instead of laminate, nicer carpet, back splash in the kitchen, tiling around the tub instead of surround...

I can't tell you how many times when people would contact my agents fresh out of guru school.. and talk a BIG game  we are going to buy 20 30 properties we are building a team blah blah blah.. when in fact most of them borrowed the money for the course and are now trying to do business with smoke and mirrors.. real investors that have money if you lay this out the right way will probably go for it.. and SELLERS I can see that for sure.. but then again in the retail resi space so many people just are clueless and or really have very little liquidity that even sending you 1000 bucks up front could be a risk and stretch for them..

Upgrades/repairs include:flooring (tile and carpet, entire house), painting (entire house), complete kitchen renovation with new appliances, cabinets, sink, lightingcomplete bathroom renovationsupgrade/replace ACupgrade/replace existing hot tub  upgrade/replace furniture/bedsupgrade/replace old pier with newadd new kayaks, paddle boards, and bikesI am thinking anything that is removable (furniture, appliances, water toys, bikes, pier, etc) could qualify as an asset for the LLC and thus be used as a tax expense for the LLC.  

It lays it out. 

They lay it out very easily for you and there are a ton of resources they offer so if you have any questions or concerns you are not alone.