I am in the process of applying for an ADU in san mateo, ca. I saw a lot of people interested in this topic, especially in bay area, CA. I am going to document my experience with this ADU here, so other people might f...

I get swamped every day with submissions.

.: But now I am unable to get any submissions after sending prospects my screening link which I created with google forms.We have tried this approach several different ways over the years with the same level of success that you are experiencing, almost full non-compliance.Prospective tenants are gun shy of scams, as they should be, and are less willing to give up information about themselves.

Zillow's $29 application fee allows potential renters UNLIMITED application-submissions (for 30 days). 

No, it is none of their business.People need to stop thinking that a wholesaler should bow done in submission to cash buyers.the only thing the cash buyer needs to be concerned about is whether or not the deal presented to them satisfies their requirements or not, including the profits.If it does, great, buy the contract, if not,  either renegotiate or walk away.Of course, some wholesalers are very unrealistic with the numbers, but that is on them.That said, it is easy to find out how much a wholesaler is making especially after closing.

My experience was pretty similar to the others that about six months after submission I got a check in the mail for the overage.

It looks like you can write them a Google review, a Ripoff Report submission and a Facebook review.

There may also be an online claims submission web site, try searching the underwriter's name and "claims" to see if you can find it. 

There's always the chance she's not comfortable/confident with the app process, particularly if it involves computer submission.

Ask for supporting pictures, charge a first time trip fee to minimize frivolous submissions.