Payments that you make normally fall into one of 3 buckets100% of the payment can be factored in somewhere on the returnPartial payment can be factored somewhere on the return0% of the payment can be factored in somewhere on the returnHouse-hacking also has considerable tax implications in the event that you want to sell this property.You can potentially defer a portion or all of the gain on the investment property with 1031 exclusion.You can potentially exclude a portion or all of the gain on the personal residence with section 121 exclusion

In Texas, the deciding factor is whether a JP or CCL judge will consider it a constructive eviction.

Even the very cheapest manufactured options are going to be much higher than that when you account for all cost factors (in case of manufactured: finishes, transportation, prepping pad, utilities).

The code requirements are the same for anything from 3 or 4 units and up, so it is very cost prohibitive to build a 4-plex when you factor in things like sprinkler systems, exit signage, parking requirements, etc. 

I realize that I will lose out on a lot of potential gains that the turnkey company capitalizes on, but weighing that against the time factor which I don't have a ton of.Thoughts on going with new construction?

As much as possible I'd recommend getting really clear on your goals in life and how real estate fits into those, and then iterate from there.If you are buying at a distance (specifically you're not moving from house to house and collecting houses as you go) then it would be a great simplifying factor to buyer AN asset or two with many doors, but there are other ways you could structure it so that small multis are the way to go.So, back to the root . . . what do you want to accomplish in life, and what role does real estate investing play in that?

If it is $1000, charge $550 for the room (assuming it is a 2 bedroom) and factor in average utilities.

Thanks to both Dan and Jesse for the response - definitely thinking that now is the time to take advantage of lower jumbo rates, so long as I can get a good enough comps for the appraisal, since that'll be the key deciding factor of refinancing here.

You can still find fairly easy cashflow in the Austin suburbs, but you'll most likely need to factor in basic repairs and paint and flooring into your calculations.

But your price point will be the determining factor.