As a result, I've increased the rent to my standards and past other landlords' standards who are afraid to go past 10%!!! 

Once these type investments develop a history, I can see a market similar to peer to peer lending where default rates become standardized and known.  

any advice on paying mortgage off or faster With a standard mortgage, your monthly payment will remain the same for the life of the loan.

All fees seemed right in line with industry standard, ($9.95/mo, per entity + one-time registration fees). 

Another key benefit is diversification; an SDIRA allows you to include real estate in your portfolio, reducing risk by spreading your investments across different asset types, which isn’t possible with a standard IRA.Moreover, assets in an SDIRA often enjoy protection from creditors, adding a layer of security to your investments.

Contrary to popular belief, this is not set because I believe it will give me a higher return.

If your going to pay 50% at least have her go over there and do some "deep cleaning" that may not be included in standard turnovers.

If it's a standard step down, you may take a big hit on points.

Note at “standard” MLS market rent to price ratio, the property tax alone is ~20%.

So act quickly, do as the others are saying and screen him according to your standard criteria. credit, references, eviction history, etc.