What am I missing?

For a manufactured home, I could build for significantly less, 80k according to one website.Since I've never built a house before, I am sure there are things that I am missing, so I'd like to hear your thoughts on whether or not this is a good idea.

If I have the cash I can invest it and realize a greater amount of the benefits of real estate but if I do it with the SDIRA I think I would be missing out on a couple things such as depreciation and be subject to UBIT.

Am I missing something?

.$400I build in Prop Management just to be conservative but I'm going to manage the property until I get to the 5 property mark.Now the bad/unknown.Each unit has an individual furnace but they are all 25 yrs old.The exterior stucco needs patching & painting.The roof is stated to be in good condition, but I think its got to be 15 yrs old.I'm trying to research how this property might appreciate in value over the years. 

House hacking, brrrr, outright investing purchases are great but when starting out I think one missing thing not talked about enough is the value of getting a good “base hit” (since your a baseball dude) on your primary residence.

The #1 thing your missing is connecting with an inspector you can trust!

Carpets smelled of urine; patches and clearly mismatched paint; front door key/lock not working correctly.  

Am I missing anything? 

I guess I’m looking for some advice from some investors that have some knowledge.Am I missing something?