They're a conduit lender, so they require more documentation than a mortgage fund or private individual would request. 

and the point of house hacking is not to 'cover the mortgage,' it's to help defray the cost of the mortgage. 

I've used other cheaper solutions, but they're not nearly as good.

It's a great way to get your foot in the door in your local market and offset your mortgage while building equity. 

The sustainability test is that 3/4 of units need to cover 75% of the mortgage from my understanding.

China has cheaper labor, almost no EPA constraints, far cheaper electric power with their new Dam, etc.

Ideally tho it good to have at least 6 months of reserves in terms of overall mortgage payments.

You'll usually have to pay something for PM if you don't live in the area, but still way cheaper. 

Different companies have different fees and - more importantly - not all managers are created equal.Remember: cheaper doesn't mean you'll make more money.Start by going to www.narpm.org to search their directory of managers.

Recently, I was debating whether to lock in the mortgage rate for a single-family home we're purchasing in December, especially with rates spiking recently, or wait until after the next Fed meeting and election to be finalized.