I am a software developer and I authored our current software, so interfacing to their API is not really a big issue, but I am not sure if anyone is familiar witth the process of using an API, If you arent familiar with the good ol nitty gritty programming, you arent going to get very far before pulling out all your hair.

It is a GREAT video on MTR with Jesse Vasquez (he has an episode here on BP) one of the leading MTR authorities.

Contact local authorities, consider long-term rentals (LTRs), work with a local realtor, and network with other investors to ensure the property fits your long-term goals.Good luck!

Do buyers have the legal authority to give the tenants 30 days notice to move out immediately upon the deal closing if they don't want to continue having them as tenants?

Author is Avery Carl with The Short Term Shop.  

I recommend focusing on getting a great investment property and disregarding Section 8 in that pursuit because any property can be a Section 8 property, but a lousy investment is lousy regardless of having a Section 8 tenant or not.Section 8 will perform a basic functional and safety inspection for your units after you have an agreement with a Section 8 tenant and your local housing authority.

Didn't the authorities notify of the sale? 

When we felt uncomfortable with this, and asked them to process a section 8 prospective tenant, they say they wont work with section 8 applicants because housing authority will pay the rent directly to the owner.

My plan was to "self-perform" a land contract by filling out a purchase and sales agreement for a land contract that specifies I will take over the mortgage payments, get authorized on their mortgage, and be authorized essentially to fix up the property and eventually sell it on the MLS since the land contract will give me that control/equitable interest.

A good rule - as long as the plumbing and electric has been updated, a well-built home from the mid-20th century is a better investment and will likely outlast a newer build.Credit to the respective author