No there is not one national MLS system but you already learned that.Also, most agents can give you access to their MLS through a mobile app, you will only see the consumer side of things but it will give you an accurate view of what is going on in your market.

LLC can actually be easier to foreclose on considering they do not typically get the CFPB protections afforded consumers.

Really, it's just like any other activity that consumes your time.

HELOCs, when strategized properly, simply give the consumer the flexibility to decrease the amount of interest and time on a loan.

Lenders who originate these loans are generally required to keep them opened for a period of time ranging from 6 months to a year depending on who the investor is on the secondary side of the market (this isn't general consumer knowledge but lenders know this).

It can be a very consuming endeavor and if one of you is not going in whole heartedly it is a relationship disaster waiting to happen.The bottom line is that if you have a good rehab team, then there is enormous profit in repositioning a property.

It's moreso for consumers than investors anyway. 

Moving tenants out will be costly and time consuming.

Shopping around for specialist is going to be difficult, and time consuming (holding cost is going to be higher as well, fyi).

The tsunami of cheap money is simply a way of consuming future productivity here and now and we will have to pay.