The ability to effectively self manage would depend on the scale you are trying to buy. 

It's like the old sports car is better than pick-up truck - depends on what you want to do.

Although it depends n your budgets and expectations. $430 could be chicken feed to you.How big are your pockets lol.Obviously you want them to get bigger!

We didn't take any money from our real estate business for 5 years.

Typically to grow a real estate business and raise money you are better off partnering with someone.

I think this totally depends on the investor and how many projects they are doing in a given year.

Lenders desperately need/want business especially in this interest rate environment (right now, the main source of mortgage loan business in Florida is rehab financing as a result of the hurricane damages) and one way the big players differentiate themselves is by streamlining the process.

Quote from @Na Wilson: I have a source (depending on credit score) that can do a 90% LTV DSCR loan on non-owner occupied real estate. 

Solar has an energy credit and Starlink is deductible as business expense. 

@Marcus Stokes, house flipping is a full-time business operation, even with current market conditions.