If you have not found a rental, we can discuss more about it and provide pictures.

If something goes wrong and you lose that investment, you may be so over-leveraged that it impacts your primary home.I never recommend borrowing money (from equity, friends, or relatives) to borrow money through a mortgage.

This gives the Owner the best of all worlds - SF or STR/LTR - enabling keeping the home affordable for home owner while also providing an affordable place for a friend or family member to live, all while having privacy for both.The 30% is just the difference between the total of my experienced estimate of what the build would have cost just 3 or 4 years ago plus a factor for the current period of inflation, versus the total of the bids that came in. 

Every project will provided you with some good return depending on the resources that you and your partners put.Flips and house development are in a similar category so you can start with a flip, but as @Jonathan Greene said it can go though, so if you don't have an experience partner you should start small.

They provide the down payment, and you manage the property.

It can provide some decent money with little work.

I have a small health care benefit from my local government career, and I have VA health care since I'm ex-military but it's not as good as it used to be (too many people in the system, too few providers at the VA) so I am planning on buying a supplement on the marketplace when open enrollment comes in November.

Reductions in the price of long-standing homes may be an indication of motivated sellers, providing a chance for a negotiation, particularly if Zillow estimates are lower.

@Tracey BondWhat service can you provide besides being an agent?

There are other types of services a management company may provide you and/or the resident.