I have built in the past and I do not understand how anyone can build a house for 250k that will last.As an agent I focus on high end relocation clients and many are positively surprised by the build quality compared to the south.

Also, would this loan help build my personal credit, or would it only report to business credit bureaus under my LLC?

I’m working to build a comprehensive marketing plan for my rental business.

.: I recommend networking and building relationships first.

Don't make the rookie mistake of overlooking build quality. 

The expert you are looking for is called a Land Surveyor, they're going to want 5k-15k, if you want to make any money on your project you need to build a house so you also need an architect, they will want 10k-50k, if you're in a hillside zone you will also need a geologist, they're going to want 10k, you will also need a biologist, they're going to want 2k-5k.

Build up your cash as you build your knowledge and network5.

I don't currently have any investment properties, but will likely work with a turn-key property managment in the Memphis/Little Rock area.My goal is to build a good cash-flow portfolio to ease into retirement. 

However, if you're a W2 high income earner or business owner, I can't imagine it makes any sense to flip houses, mail mass post cards, wholesale, or build lead gen websites with the value of your time being better spent other places (such as learning about real estate and increasing your income through proven means), such as at your 9-5pm or growing your business, and your real estate is a long term process and you don't need "home run" deals to qualify or make it work.

As long as the ADU is under 900 sq. ft. and meets the state building code, there will be no variance or special permit needed, so no ZBA or neighborhood meetings.