Often with a solo(k) the structure will be something like this, the financial institution will provide you with a 401(k) plan document and adoption agreement, you should be able to select certain plan defaults.

Additionally, you have to qualify by submitting all your documentation (tax returns, W2s or 1099, paystubs). 

If they pay a tenant portion, I verify employment, hours, and wage, or if it's benefits, be sure you have documentation.

The only thing I can add is that she signed the lease on my behalf- the realtor was trying to send me a document for electronic signature, but I couldn’t open it at work, so the realtor sent the document to this person and she put my signature on.

BP seems to have contracts for LTR but I haven't seen any documents for rent to own.  

You'll want to do your own due diligence to verify the ARV is accurate.When viewing the physical property, document the entire condition of the property.

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

You can also fill out an application, submit your documents (income, assets, etc), and get pre-approved. 

This living document generally projects 3-5 years ahead and outlines the route a company intends to take to grow revenues." - SBA  

Hopefully their deposit is higher than the damage, but if not, you can document everything and try small claims court, but honestly it is not worth your time as you are unlikely to see the money if you win.