Most sellers only care if you close so you can usually use another form of capital stack other than what is on the agreement, however, the seller can force you to use the originally agreed-upon payment method. 

Quote from @Gary Campanaro: I wouldn't consider it unless it were agreed to up front.Cancellations are part of her business, and she needs to accept that.

google "all inclusive Deed of Trust" fantastic CA document we used all the way back in the early 80s If I'm not mistaken though a wrap would require the 2nd buyer to also agree to financing terms; which would be the same as me (the 1st buyer). 

The reason we were able to make the deal work was the seller agreed to take a percentage lump sum up front.

I agree with @Ashish Acharya if you're interested in reinvesting the proceeds into another investment property and your goal is to minimize your tax liability a 1031 would work out well for you.

There is a time and a place for sub to  no doubt but wholesalers to me are not the time or place.As you know, I agree with you.

I also agree, that income is not a protected class.

@Najeh DavenportI agree with @Brian Teeter to challenge the appraisal. 

I agree that austin from up close looks like a declining market but from a birds eye view, it makes for great opportunities! 

Company Overhead - Agreed.5.