I then got my credit limit increased because of on time payment and my score really jumped from there.

With an increase of about 7% over last year in Denver (https://www.cpr.org/news/newsbeat/colorado-springs...) and no contraction in sight, scheduled rent increases should continue to multiply that $2,600 of mailbox money forever more, or at least until your portfolio review. 

You will probably have to increase the 1/2" gas line to 3/4".

The lease allows you to use your money for repairs, get renters in there, and increase the value.

Pay down debt and increase equity while cash flowing. 

Use that land to increase the park from 30 lots to anywhere from 50-90 lots.

I think REI is the best path for me to take to increase my capital with passive income and short term goals, Long term investing is not something I want to start out with.

I let them know that I am looking to increase my buyer's list and wanted to know what type of properties they purchase.

It's never a guarantee with higher-end or lower-end tenants, but your risk of a bad tenant increasing as the quality of property decreases.

So when it came time for the lease renewal, we got an attorney to make us a strong lease according to michigan's state laws and handed her the lease, the price increase to $1100 plus $50 for the pet if she wants to keep it.