Copies of receipts for materials and paid bills for labor are evidence of value, but not essential.

I'd look at land value and land development to capture substantial upside, I'd look at 50+ unit deals for entitlement, I'd self perform land acquisition and land development in a midwest market like columbus that allows for substantial gain and represents a more stable long term growth, but when you break down the industry new construction is very stable you are already doing that by just working in new construction. you'd essentially be the developer on a larger deal you could do that in one deal. lol 

Having a team in place is essential to long-distance investing.

Additionally, thorough due diligence is essential.

Patience is a key element to all investing.

The entire house was essentially one big litter box.  

This is an essential tool for anyone buying a tenant-occupied property.

Essentially, you'll use a short term loan for the acquisition and rehab.

It's essential to conduct thorough market research and financial analysis before deciding which strategy aligns best with your investment objectives.

Remember that improperly breaking a lease could expose you to legal risks, so professional legal guidance is essential in this situation.