For the baseball cards, you can go online and see how much they go for.Congratulations!

I guess to clarify what I was asking is what was being presented online as to why Section 8 can be lucrative.

From my research online, I've read that having a rental/lease agreement would not be binding because it would be for an apartment that's not legal...is that not the case and I should still have a rental/lease agreement in place?

There are schools all over, including Wilmington for sure. https://dpr.delaware.gov/ has all the details on schools and requirements, typically the schooling can be done online and then the test is done in person at a testing center. 

Humans cats and dogs, goldfish, tweety birds, not horses or other farm animals of any type.

Quote from @Derek Morrison: You can start by researching online.

I’ve been doing that with a few market recently, I try to spend a week just online trying to figure out the different boundaries/different neighborhoods, what the dividing lines are, what type of housing stock is there (I only focus on post ww2 brick for instance) than figure what the yields are in these areas, and then decide if the yields are decent enough on risk adjusted basis to bother to invest.

Where are the best places (in person or online) to find qualified buyers for investment properties?

You can also check their reviews online at Google, Facebook, or Yelp.

You could try your hand at one of the numerous online services that advertise this stuff but I've found it better to start the relationship early with an actual person as opposed to a faceless online service.