Loan help!!! No w-2 or previous tax return (student in 16')

[Gabe Sirkin]

Ok, here is my situation. I'm a first year commercial real estate agent and work 100% off commission. No 2016 Tax return because I was a senior in college. No pay stubs or w-2's because I'm 1099 commission. 

I have 15% cap CASH-FLOWING 4-unit under contract. According to the contract, I have until 1/5/18 to find financing. Every bank I spoke to says I need previous year tax return or pay stubs or w-2. By the time 2017 taxes get filed, I'll be way out of contract (mid February). 

Any advice? Should I approach the sellers and put more money down until I file my 2017 return? Or are there any companies out there that would give me a loan in this situation? I plan on refinancing in about a year regardless.