I have had every one of the above come into play, which has caused the timing of exiting the asset to take longer than anticipated.

My best advice would be to read through the contract carefully (builders usually have their own individual contract that's written for them and is leaning heavily in their favor).

Separate LLC per Property: Maximizes liability protection but adds complexity and costs with individual tax filings.3.

@Nold R.In addition to the great post from Dave, possibly consider an option where the property is taken out of the LLC sooner rather than later and held as tenants-in-common prior to the sale, possibly setting you up in a position to take your share of the proceeds and individually purchase a replacement property via 1031 exchange. 

As a self-employed 1099 individual, your best route is most likely DSCR.

Your consist numbers you have and the variable numbers that you can play with are rehab and holding costs...

I'm a web developer/ real estate investor and I just started playing with Dapps, is anyone else working on similar application?

and connecting with local REI individuals and attending meetups to learn from experienced investors. 

Word of mouth referrals from past clients play a very critical role in most realtors’s business, and to get that they need happy customers.

My contractor has one credit card for all of my individually owned buildings (jointly not multiple cards) and one credit card for the building I own in a partnership.