Where residential loans that conform to "Fanny/Freddy" underwriting guidelines are frequently packages and resold, or turned into securities, portfolio loans are typically held by the issuing bank.Your rate will be a bit higher than residential, you will have a shorter term 5-20 years and in most cases the loans will be adjustable rate and not fully amortizing  (have a balloon payment). 

The max is only up to conforming limits and if your income doesn’t fall within the restrictions, you have to search for locations that have no income limit restrictions. 

We found a credit union (MACU) with a special portfolio product that allowed for 16.91% down for a conforming loan and 4.875% interest rate.

On the other hand, the sales tactics employed by leasing companies, the "fixture filing" (lien) involved complicating transfer of ownership, and also (not mentioned in the article but visible in the photo to the trained eye) the install quality of leasing companies may not always conform with industry best practices.

It can get tricky in rural areas where the houses do not conform to a given formula.

If the Condo complex doesn’t meet that standard, the only lenders would be portfolio lenders or lenders who resell to secondary note investors who purchase non conforming loans.

If you have a conforming loan, Fannie Mae explicitly allows for the transfer into an LLC.

I funded the first 3 in my personal name along with my wife, using a conventional conforming lender with 20% to 25% down.

I've also received the following from my loan officer and would prefer someone with experience with conforming loans vs FHA.

If it's a really vanilla situation (large down payment, perfect credit and income, single family primary residence, conforming loan amount, etc.) with no quirks at all and you have plenty of time to close, then perhaps an online lender isn't a bad choice, but any curve balls at all, that online lender won't have the expertise, attention to detail, customized service, or local presence to pull it together and make it an enjoyable experience.