Strong job growth, low unemployment rate, and strong population growth.

This agreement is just like a listing agreement when you go list a home, you are hiring the right person for the job, so this is the same type of contract, but this person is hired to find you the right home. 

Alternatively, once you have a full time job (or an employment contract), you should be able to qualify for a loan and utilize a Down Payment Assistance program.

Collecting rent statements, expense receipts, mortgage interest docs, and more—can sometimes feel like a full-time job in the weeks leading up to tax day.

@Aaron Raffaelli what did you do before this job?

If they are changing jobs, they need the new job first and you need to paychecks or offer letter with salary or maybe even the first two paychecks at the new job, depending on their level and income.Ask them about deposit and rent. 

If that's the case, check out some of the economic data about what cities have strong job and population growth.

I do know managing more than 1 property is a tall task unless that is pretty much your job. 

PMs and realtors want to use people they know that have been in the business and do a good job for them.

California offers great job markets and weather, but comes with high costs.