Cashflow, ability to build a team, landlord tenant laws, price to rent ratio etc.......were all factors in the decision making process almost a decade ago.Now,  I wonder why your approach is an either or view? 

Therefore, your long-term income depends on the city's ability to attract new companies.

I think that the ability to get paid when you need to do either one of those is not talked about enough.

PROS of a Solo 401(k) with no Custodian: 1) Freedom of checkbook control, ability to more easily move funds in and out of a bank account in the name of the Solo 401(k). 2) In some cases, lower fees. 3) Ability to more easily link your Solo 401(k) to bank account systems like rental property management systems, or if investing in real estate syndication platforms. 

The Sampling Method is typically used for properties with nearly identical blueprints such as fast food chains or nursing facilities.EXPERIENCE OR “RULE OF THUMB” APPROACHThis approach is based upon the specialist’s experience in the industry and their ability to estimate the costs.

I guess I can keep it as a STR and push my way through, it would just be nice if it was something that worked for someone right now and helped me take a step back for a bit, and go back to STR when I have more ability to keep up with it!

Allows you to keep your current portfolio with the ability to access $ to fund projects. 

The ability to manage investments requires a desire.

I would call a real estate attorney and see what is the best way to remove the tenant and if you have the ability to remove them due to the fact that you cannot get any insurance. 

You can always leverage rentals within their ability to service the debt.