Need to cash out my new airbnb, but having trouble with mortgage

[Eric Tuffendsam]

I have flipped 4 houses in the last 2 years and I'm on my 5th now. I also just bought my 2nd airbnb rental. I ran into a snag today in trying to secure a cash out mortgage on my new Airbnb rental property. I own the house outright, but I need to get the equity back out to continue to BRRR. My lender informed me that since my accountant called my flip income over the last 2 years "capital gain" income, it does not count as income for mortgage qualification purposes (according to federal guidelines???). So my only income from my other business is not enough to qualify me. If they COULD use my flip income from 2019 and 2020, I would definitely have no problem. My credit is 747, I've made about $90k per year the last 2 years and I'm only trying to borrow $75,000. My mortgage is $1200 (primary residence) and my other airbnb's mortgage is easily covered by rental income.

Any ideas?  Anyone know any lenders who would issue a mortgage without strict income verification or who would be more flexible on what they consider income?  Thanks!