By simply reiterating "I'm looking for a tenant to begin a lease on September 1st" you can alleviate yourself from a lot of people who would simply waste your time otherwise.

Can you help alleviate those concerns?

But, since this is my first rehab, am I better off subbing everything out myself to learn the trade and reduce cost vs. having a GC sub everything out which increases cost and alleviates headaches?

Unfortunately, with the rental landscape here in Seattle, WA area (it's scary aggressive and expensive), it's difficult to locate a place that will be available a month from now, much less 2-3 months (even if you pay a healthy deposit).Does anyone have any tactics they are willing to share to help alleviate my concerns of possibly having to live out of my car?

What have others done to alleviate their fear? 

The competition factor around here is somewhat daunting but BP is helping alleviate some of that pressure about how to go into a deal as prepared as possible. 

Gone is the HML to refi ( at least in any great abundance) and what you have now is a more educated buyer who wants the home done and tenanted to alleviate risk..

There are a host of other possible reasons as well.Finding the problem and solving it professionally just alleviate most potential buyers fears.

There is a reason many states have enacted legislation to attempt to alleviate this kind of abuse.

This alleviated his frustration and he still owns the house today.