With the high credit score you can do a no doc loan but it might be difficult to cash flow. Sounds like there’s sizable income for downpayments though so you should be ok.
If you plan on purchasing and fixing up then you should have no issue getting a private money rehab loan.
Plus, there are different loans for multi-family properties.
Most lenders will concider duplex, triplex and quads in the residential mortgage transaction. Anything that is 5 units or more would be concidered a commercial transaction.
Each transaction type has its own rules, just as each mortgage broker and bank has its own policy on loans and lending.