If you are going to pay yourself w2 income take a look at payroll provider. gusto.com.  

I apologize in advance to those of you who are sophisticated investors.

I have one crew that can do 80% of the SOW of most projects, but I can't risk giving his info out until he's on my payroll, ha!

Whereas @Todd Dexheimer and @Juan Vargas are correct in their assessment, a reason why bridge loans can be preferred by sophisticated investors is because of the flexibility they allow.

There is a level of sophistication you need with note investing and you are always figuring out issues and challenges. 

I used automatic payroll withdrawals into mutual funds, saved Christmas money, any bonus funds, a small inheritance when my grandma died, and so forth...and got super aggressive about saving up for the next down payment.  

Again, if the job is big and the contractor is sophisticated, they won't have an issue.I hope these thoughts help you out a bit.

If you are working with a GC who's allowing you to write up the contracts that is a huge red flag that you aren't dealing with an experienced / sophisticated operator.

No one is actually accepting bitcoin as a currency they actually keep and use for their own expenses like payroll, etc.)I used to take BTC for rent back in the sub $100 days. 

Sophisticated Investors or Accredited Investors and so tax advice should be something they know to seek from their own advisors.