The stabilized properties operate fine without me but the development side of the business requires me 24/7.

Because if you need to live off the cash flow what you're really looking for is a business. 

Also, it can avoid filing an amendment.Another great point on eligibility- SEP IRAs require net self-employment income from activities like 1099 contract work, real estate sales, wholesaling, or other self-employment business income.Passive income as you have highlighted, does not qualify. 

If you drop business and work you can bounce back.  

MTR and STR operate more like a business.

All those things, and more, need to be ironed out.Question 2From a tax perspective, if you put a dollar in a business and when you sell you get a dollar back, that is a $0 profit, so from that perspective there is no tax. 

This does not involve the utility company meaning that you will still have to go into the property, read the meters, then individually bill each tenant for their usage and understand the bill is still in your name.

I used the proceeds to start my business.

I don’t see anything wrong with endorsing a business that is great at what it does.

I saw in Charlotte Business journal that housing supply increased in January and continues to increase into February.