Under Alabama law, that is a VERY dangerous play and you could end by losing money.You also cannot sit back and let him build the house and say "Thanks."

My clients use Quickbooks online.

My 7-year old was fascinated by it and wanted to play. 

Can do even simpler than what we do with an online contract system and call center.  

To play devil's advocate (and keep in mind I have no skin in this since I'm in a different market):-You want to tailor to investors, then be prepared to sell at an investor price. 

At least in my market I think the older homes that only have 1 bathroom would be challenging to rent in this manor but if you went into with intention and in a high density area I think its a great play. 

My fiance and I are in a unique situation as I play baseball professionally, and she works online and plans to live with me during my season.

The program is $3000, and I haven't found much online about them.I started out investing in non-performing notes but having trouble obtaining those lately.Thanks,Nicole

Just an FYI, Booking.com came online in 2000.

Here's a few things you'll really want to have as a landlord:  Online tenant payments - let your tenants log in and schedule/make online payments for rent.