Generally this is the partner who guarantees the debt and satisfies net worth requirements.

He guaranteed it for 30 days, said if it breaks after, give me a call anyway.

don't jump on a tenant occupied investment property, even if it cuts down the vacancy loss. your screening process is likely to be different from the last owner, which will guarantee a difference in style of management and will ultimately cause friction and then eviction.

A is guaranteed to cost money.B may or may not cost money. 

It's no guarantee but it's a good place to start.

Finally I considered using a section 8 tenant as a guaranteed source of income for the second unit if I were to purchase a two family. 

In this market I'd take a guaranteed 4.5% return (not to mention lowering debt and being better able to weather an economic downturn/adverse event) and run.

I won't pay off his arrears and get him current if it's not going to guarantee me home ownership.

J made more money in Real Estate, but I could afford to do the best advertising and invest in my career bc I had guaranteed income to pay my house, card and other personal expenses.Another thought is getting a business degree while doing real estate!

Being an agent doesn't guarantee they know investments.