Manufactured homes are in a different classification than a modular. 

Are you in a location where there is lots to do and the families most likely won't watch that much tv?

Examples could include:Partnering with other investors to share risk.Using seller financing or lease options.Leveraging creative rehab techniques to save on costs.Negotiating with contractors in a unique way to reduce expenses.I’d love to hear any stories, tips, or approaches that helped you pull off a deal others might have instantly passed on.

I wondering about cashing in a small percentage of my stock portfolio to fund my next RE deal.  

Best place to find this type of funding is in a group where people lend in this fashion which is essentially unsecured /100% financingyou will not find many to do this except those that are brainwashed by gurus who think it's a great idea

For example, if the property you are buying is a development property, like a small house with a large lot in a developing area, then a small negative cash flow could be okay if you can carry it.

The fact that their documentation is not clear and they are in a hurry to move is a big red flag.

Doing a short term rental in a separated area that has its own designated, kitchenette and bathroom, would likely give you better returns and less headache.

Under no circumstances should the tenant ever burn scrap lumber in a fireplace.

The payments tend to be lower than a standard cash out refi, so if you end up in a tight cash spot, you have the flexibility to pay less for a bit until you get your bearings again.