Based upon this I would look at an actual dollar amount, not percentage that: 1) enables you to live in a safe neighborhood and decent schools district, is modest in size and fixtures, and has payments sufficiently small that you are still able to invest at least 10-20% (or whatever your target is) of your income. 

There are now a few carriers who have package property products that you can 'somewhat' manage through an online database.

Then that will give you access to their data base of available properties and all the property info. 

Most agents, myself included, have large databases that we can mail out to with a pocket listing.

That said, not everyone is a good troubleshooter, that takes a certain logical mindset to take in all the aspects of the situation, filter it through your mental database, and come up with the answer.

While it's almost never worth pursuing past rent, it enables tenants to keep doing this to other landlords.

A 15 year mortgage was what enabled us to have a paid off house in the first place (Seattle) and eventually funded the apartment building. 

Consider creative approaches such as an older home with rental potential on a larger parcel of land that enables you to build "your" portion of the home in the backyard for example.

The reason why I'm posting this is that there should be a legal database that's accessible in PA.You can try this webpage: https://www.lexisnexis.com/en-us/home.page.For me (and other investors) there's no need purchase leads from a lead buying service..

I know what I think .. first off any Lender out of Vegas MUST be Licensed by the state and NMLS registered other wise they are illegal .. so run his name on the  NMLS data base simply google it and put his name in.. here are things to look out for.1. rates to good to be true.. especially for someone who is beginning. 2. just like what you said  too easy to approve u 3. bad grammar4. all approved just need 500.00  for app fee then suck more money out of u then go dark