A $200,000 duplex might have identical rents in municipality “A” and municipality “B” but the property tax rates will vary, local regulations will dictate licensing requirements, labor rates will vary & the particular location will dictate insurance premiums since insurance carriers will weigh local replacement costs and whether the municipality is viewed as being a “plaintiff friendly” in arriving at insurance premiums.Better situated assets will attract better tenants.

A steady annual growth rate, diverse industries, and affordable living attract residents.

All said, drop the rate to market or slightly below (if you're in a tougher market) to attract a quality tenant, then pursue the refinance or sale as some have suggested already.

That was the sales pitch that looked attracted to me and here I am 3 months after closing and no tenant, even the numbers looked good, my ROI was going to be decent, but looking at the new tax assessment next year my numbers are going to change a lot, leaving with very little cash flow.

So for the conservative busy professional that just wants to buy a clean house that is the attraction to turn key..

Could there be something I’m not aware of that’s keeping other buyers away despite the attractive pricing?

My day job industry (Solar) has attracted some interesting characters over the years so I'm no stranger to the effect a few bad apples can have.

With platforms like Airbnb or Hipcamp, you can attract travelers looking for unique stays.

In your case looking to larger assets where you can effeciently cost segregate to gather bonus depreciation would be a smart move.Appreciation - Where in the country is the asset class you like growing or going to be growingAmortization of the loan - What sector or even region if you look locally for funding, is going to offer the most favorable lending so that less goes to interest expense and more to pay down of principle.Have fun with a spread sheet comparing these 4 returns from your investment with the type and location of assets you find attractive. 

FULL STOP  Your ability to make such a profit will depend on your ability to manage the asset better than the prior owner.As a seller, the broker should be helping you determine the price point, at that time, that attracts enough buyers to achieve an optimal sales price.