I have a tenant that I rent a basement room to, my credit score has improved at least 100 points in the last year and I have paid off almost all of my bad debt.

When they lent you the money, they checked your credit, not the LLC's.

If you invest in an area that is prone to vacancies during downturns due to the job market or renters moving out to buy homes, then you have to be prepared for longer vacancy periods and increase the factor in the analysis.Most areas don't have this issue.

Do a standard screening weighing heavily on there credit report.

Preparing Articles of Incorporation is the preparation of a legal document. 

Maybe a partner with credit

My concerns starting are my lacks of funds, investment experience, and VERY poor credit.

Then be prepared to raise the rent to market rate at the next lease signing.

Remember that surface preparation is the most important part of a quality paint job.

Ask any NJ attorney and they will tell you that it is real estate brokers that are the ones practicing law without a license (in preparing contracts of sale)!