Well, did you ever try calling? Because their call center is open late, weekends and resolved any issue I had with my advisor (i.e. an appraisal being late, clarification on cash out refinance as it was my first time doing it)
American Express ran (and still running) a $1000 credit if you used Better.com. Better.com also did not have a clawbaxk clause if you refinanced within 6 months (typical of most loan originators).
They also offered me a waiver on the appraisal while my local bank wanted like $500.
Like I said, there's a reason the churn community leveraged Better.com