What type of documents should I request from the tenants to be able to screen them.

If someone is asking to use more space in your garage I think it is more than reasonable to request more rent.I find that the cost for parking is highly localized. you can always research what other apartments communities are charging for covered parking in the immediate area and compare to what your charging. 

We always communicated within 24 hours of receiving a call or email from an owner and quickly provided any information requested.

Housing request stats and Housing search stats in your area for the month.2.

However, you can contact the Clerk of Courts in the county where the eviction is taking place and request access to the eviction file records.

For example, most title agents will request that you bring a valid form of identification such as your driver’s license.

If you did debt I'd probably suggest a simple promissory note and look to do it with friends or family.FYI - I requested access to your google file as well. 

I started the journey going to local banks and all financial institutions to get declined everytime i request a loan for a investment property because I have a actual mortgage.  

I’m reading in CA the seller has to submit a request to perform and you have 48 hours or they can decide to cancel or can after keep your Ernest deposit.

If they ask for an extension, Simply cancel the contract then and you will have no liability whatsoever. they may also request some repairs.