I would like to buy a multi-family and convert into micro units to maximize revenue.

Sounds like you are getting hit with a lender who has overlays and possibly miscommunication between the loan officer/processor to the underwriter.

You have to hand write each letter or postcard, hand write each envelope or postcard, hand stamp each one of them, and take them to the post office.

It’s in pretty good shape at this point, rentable.I travel a lot for work, and a friend gave me the idea to do a short term rental as a one bedroom, locking all of my stuff in the other bedroom and office - I applied today and was denied because I don’t own both sides of my HPR, even though I have written permission from the owner of the other half….

There's no $$$$ in teaching you how to implement the action items I shared above which is why the higher revenue generating systems are sold, usually to real estate investors who don't know any better. 

There are plenty of entry roles from cold calling, scrubbing data and find deals for investors, leasing assistant, work on construction sites, office admin, project coordinator, Title assistant, RE photographer, transaction coordinator.. on and on. 

Probably go for a 3 bedroom with an office or dining I could convert into a 4th bedroom and shared common areas, would have covered everything with airbnb and still covered most with long term. 

ways to meet such people would be meetups, or simply walking into some smaller offices, could also ask around to other owners of the assets you are interested in and see who helps them. 

Send the notice by Certified Mail AND a separate mailing with 'proof of delivery required' (a cheap date with the post office).Hope this helps.  

That is all I said and we scheduled a meeting for the next day to come into his office.