It's 10% of income the tenant pays, I believe, so they should meet your income requirement by virtue of holding the voucher. 

Other considerations things to look at include; are any utilities common (like paying for a boiler for all 4 units instead of individual furnaces), how does access/common areas work, do the tenants all have access to laundry, are there any common area utilities (light common area lights, electric or gas for laundry) that would stay in the owner name.  

Yes, I'm a noob, but I've only ever heard of PMI coming off once you satisfy equity requirements.

Texas doesn't have a state general contractors license; plumbers, electricians and HVAC are required to have staye licenses.

Otherwise, I think the main issue is "creative financing" still requires "desperate" sellers, those that have a particular massive "pain" that just needs to be relieved in anyway. 

Some parks require older ones to be moved when they sell.6 - Is it a family or senior park?

There are lending programs where you can purchase 2-4 units with as little as 5% down payment, however, this program will require a minimum FICO score. 

It may require having the job pre-inspected to get that determination.Unpermitted jobs will cause you problems when you try to sell the property because the appraisers look that stuff up.

If it's a primary residence (house-hack) you can go as low as 3.5-5% down but these loans typically require the residence to be in a decent condition.

Similar to signing a listing agreement before listing a house for sale with an agent, a buyer representation agreement is now required when working with a buyer's agent.2.