That way, you are able to take advantage of all of the industry-specific features (like online rent collection, tenant screening, etc.) while automatically mapping all of your categories, properties, bank accounts, etc. to the accounting software. 

Anything having to do with Paypal is automatically off my list of options.

But if they are, you can then offer them the ability to automatic payments for free through Cozy.  

My Florida leases state "Guests remaining for a period of more than seven (7) days must have prior written consent from Landlord".

Speed and creativity are key.  

I don't think this can be done in old buildings.Also, some people have automatic blinds that close themselves for the evening.

That is not automatic.

I'm new to real estate investing, so I'm grateful for this forum as I get up to speed.

Lots of people bread the speed limit and never get caught.

It increases the speed of building wealth, gives you tax deductions for mortgage interest, and other benefits.If you buy one house for $160,000 then you only control $160,000.If you put down $40,000 then you could buy four houses and you would control $640,000.If the market increases 2% per year, in five years the one house would gain $16,652.