We operate a small retail business out of commercial space in the building with the 4 residential units, which pays me a W2 salary and my wife has a part time W2 job at a vet clinic. 

In my case, I have residential rentals in one LLC, commercial properties in another, self storage in a third, and my real estate company operates in a fourth.

Investment Info:Large multi-family (5+ units) commercial investment investment.

Talk to the commercial lender at that bank.

Here is what one of my 4 AIs say:The commission structure detailed in the image for a real estate transaction involving a property valued between $30M and $40M is as follows:Under $34,000,000: 1% (0.50% per side)$34,000,000 - $34,999,999: $400,000 ($200,000 per side)$35,000,000 and above: $500,000 ($250,000 per side)To evaluate whether these commissions are fair for a 112-unit apartment complex valued between $30M and $40M, let's compare them to typical real estate commission rates for large commercial properties:Typical Commission Rates:For commercial real estate transactions, commissions generally range from 1% to 3% for properties valued above $10M.

That may take a few years to settle itself, but that's not a neighborhood fundamentals issue and will correct itself naturally, especially as more neighborhood commercial and amenities continue to infill to meet the new population.

I got a commercial loan for 50% of the purchase price - $187,000 – at 9.875% and personally funded the rest.

You’re right—commercial lenders are tightening up their guidelines, and it’s becoming harder to find 10% down on jumbo loans, especially with the current market conditions. 

Aiming to get it in the 16-25% range, mostly titled towards STRs/SFRs and slightly towards commercial places.

@Adolphus FletcherWhat size multifamily - above 4 units then I would go with LLC as that will be a commercial loan.