That said, you will need to refinance off FHA to clear your 1 FHA slot to then do the new purchase with FHA again. 

IMHO it's more important to take action on the "how's" than spend too much time tracking 5 different metrics or spending too much time analyzing goals or creating even more that likely won't get done.Another great tip-- put EVERYTHING on your calendar so you have specific time slots for all the "how's" you need to get done and stick to them.

No more investors can step in at that point on the other units if they want to use a loan to purchase.Maybe I'm worrying too much about it since, if I own a unit as an investor, and I want to sell to another investor, they can still purchase it because they can just take my "slot" as one of the investor units.How much does that situation dissuade investors, if at all?

If it's not police sirens, it's helicopters, or neighbors dogs, or kids, or planes, or slot machines lol.

You can always refinance your investment properties later to "free up" slots if that becomes an issue for you.Once you moved out of your primary, it became an investment. 

Once you fill the slot you deactivate the listing, your profile stays on Zillow for the next time you need to activate the listingIf needed you can also collect rents through Zillow. 

Strictly the tacky video slots and the closed-circuit greyhound racing.

Plan on trying to get solid property where just checking down to close before 45 day ID period ends for 1031 and then have other 2 slots maybe 1 for other property and 1 for nuclear option like going into a DST.There are some syndicators that take non accredited money but getting approved can sometimes take up to 1 year with the SEC and cost hundreds of thousands of dollars so it's non optimal to a syndicator because of possible increased litigation, time, and costs which can hamstring a syndicator for buying velocity of deals.I only want accredited investors for my value add deals.

I'd like to provide potential tenants with some sort of automated system where they can sign up for an available time slot online or in an app. 

I’ve never done AirBnb, but it’s a college town and also has a City park less than a mile away that hosts softball/baseball/ and soccer tournaments, so I think I could AirBnB for those events and have a pullout couch and a small family could rent it.I could also rent the whole thing as it is really a house with a mother-in law.I’m not sure what to do and want some opinions.