I may adjust up or down depending on the initial repairs that it will take to get the property online and in production.  

Spend the next couple of years studying finances, money management, real estate etc, tons to learn before you begin, and get your own personal finances back on line.

Are there free ways to obtain a seller online?

I  Live in Oregon city and I’m in the process of searching for an online course to obtain my real estate license and from there, of course, finding the right path to pursue training/mentorship. 

There are several online schools the offer licensing. 

Do not let a realtor try to convince you that it will be difficult as it is relatively simple, especially if you are buying or selling off market for cash.I downloaded all of the required contracts and disclosures for the state of Nebraska from an online source.

As soon as he told me he was leaving I signed up for an online Real Estate class that day and started taking the class every night when I got home.

I'm reading all of this (only about half way through) and there is nearly a dozen major violations the company I used to work for are involved in. I

Are majority of investors using spreadsheets, online software, or old school paper and pen?

As I understand (by reading articles online), Texas has strict laws in place that are not investor friendly around these.