I have made a post on BP before and some people have suggested a DSCR loan.

Yes, you can sell it.Sometimes Peoria will grandfather a duplex and refer to it as a "legal nonconforming" single family zoned property with duplex as permitted use.If this is the case the new owner will be able to legally and officially use it as a duplex.I have also heard of people finding an architect to declare that the house was originally built as a duplex, which would help you get it rezoned as multi-family and duplex as permitted use.PM me for more info.

A few people still do first and last month's rent but we quit on the last month's rent years ago and just do first and deposit.2.

Go to local Real Estate meetups and learn from people there

Since I don't want to hijack your thread here, I'm going to start a thread on crazy guests, lol- just so people can vent.

People with cushy government paychecks and benefits and job security.I agree with you that state and Federal losses are not necessarily tied.

Many people on this site only are interested in a specific geography.What type of product are you looking for? 

Here's a first...Throughout the year's I've ran numbers on numerous properties, single-family and multi-family.

I know a-lot of people talk about house hacking, but not always about the numbers.

That is likely because you are hiring unlicensed people to do the work.