So it's reasonable to request to do an option fee instead of a non-refundable deposit since I have not completed my due diligence as of yet? 

He constantly ignores my request for the building permit.

Can you not accommodate his requested times?

Whenever I'm in negotiations with the request for repairs, I always look at other options so my buyers know the consequences should they fall out of contract.

We got a decent # of requests but our booking rate was about 5-10% of the requests.

I'll send a request and we can chat from there!

I am going to have an attorney review my lease agreement.Should they also review any of the following: rental application, work order maintenance request, consignor agreement, changes in terms of lease) Am I missing anything? 

I've even requested info on several listings and havent been contacted back.

You might be able to convince a seller to hold the mortgage note (ie seller financing) and have you pay them in regular installments, but even in this scenario the seller would typically request some sort of initial down payment.

Neither my wife, my brother or I requested payments from mom and dad.