This is for basic informational purposes I am not an attorney and this is not legal advice.First, if you offer to purchase a property using a HELOC to fund the purchase you cannot later back out of the agreement because you couldn't find PML or investors.  

If it is a emotional support dog (basically a pet with papers they buy online, mostly to find a way to get a pet into a rental), ask for documentation from a local medical professional (NOT anything online). 

Reporting is basic, but it tracks all rent inflows/outflows. 

Basically cash in the bank is a very good way to get an approval on bigger loan amounts or in general.

You basically have no escape plan.

But you have to many basic questions unaddressed. 

if the OTA has issue with you and bans you (there are some crazy horror stories that alone would deter me from listing on a single OTA), you are basically starting over.  

This really depends on what your looking to do however for a very basic overview far west side is great, downtown and very close to the Cleveland Clinic, Little Italy, Tremont, and Ohio City are still great areas.

Just some basic stuff you should try to follow if able.

Security is too basic and important an issue for the technology to fail.