If you are not attached to the duplex, could be a good time to sell to developers who want to convert to individual condo units.

The replacement shelves were ordered individually, I was charged the initial inspection fee to tell me the shelves were missing, the cost of the shelves plus markup by the PM, and $67 an hour to "install" the shelves. 

In my market most LTR PMs are charging more than $200/month to manage individual units.But let's ignore the work involved in building and managing the unit

Denver and its surrounds have particularly active markets and a lot of active individuals offering ancillary services so I'd suggest you research those available services you're looking at offering to help you get an idea for what is well covered, what is lacking and what your competitor's pricing looks like.

But there is a way that you can still do a 1031 and sell them individually.

What they have spoken about is changing what’s allowed in each zone as opposed to changing the zoning of an individual property.

A Solo 401(k) may be advantageous for self-employed individuals, offering the potential for participant loans, higher contributions, and no custodian fees, as well as higher contribution limits and the option for tax-deferred or Roth contributions.This post does not create a CPA-Client relationship.

My husband and I are looking to connect with like minded individuals.

Learn the lawsDon't use a contract "off the internet", laws vary by state and are also regulated on a federal level Learn the financing techniques correctlyDon’t skip parts of the processDon’t ever do a “kitchen table” closingUse the proper deedAn attorney can help you with the legal work, but the rest you are on your ownYour guru will not bail you out“Investing” in someone else’s deal by providing a small 2nd loan so the “investor” can pay for “cash to the seller” and for “closing costs” so he can do the deal is a very bad planKnow what problems can ariseLearn the responses and solutions to problems before they are needed Know everything there is to know about Title and what that meansKnow who a "protected class" individual isLearn the "back doors"Learn human natureUnderstand timelinesUnderstand regulation enforcement (some of these "mistakes" have a 10 year statue of limitations ( they can charge you 10 years AFTER you do the transaction) and carry hefty fines and possible imprisonmentThe court doesn't accept "I didn't know" for an answer"Know that the source of the lead plays a serious role in some states and federallyKnow how much of a "profit" pushes the boundaries to invite an investigationYou can be sued by the seller if you don’t do things correctlyYou are automatically at fault if an investigator or attorney or regulator gets involved.

https://efraudprevention.net/embed/cody/Equity-stripping_scams.htmlEquity-stripping scamsEquity stripping is a type of fraud in which a scammer targets individuals who own a valuable asset, such as a home, and convinces them to take out a loan using the asset as collateral.