If I did short/mid term rental I could do about $3.5K/ month for 10/12 months.

If it's on the higher side you may want to consider it for mid-term or long term rental, but if most stays are below 30 it can be viable for short-term! 

Thanks There's never any guarantee you're going to get 100% of your own cash back out of the house especially in a short time frame.

In short, by listening to your clients and providing a great service, you will make a profit. 

I’m also based here and have experience with short-term rentals, property management, and work with investors like yourself.

Ditto, I use PriceLabs for my STRs - here is a nice writeup ...Airbnb Smart Pricing Vs PriceLabs: An In-Depth Comparison For Hosts | Boost Your Short-Term Rentals

The bullet in the response that is standing out to me is:"(7) The accessory dwelling shall not be a short-term residential rental, as defined by City Code section 3-2-152(a)(2), for a period exceeding 120 days per calendar year."

To list a few...Anyone who wants to increase their property’s income potential (and equity) and build new housing in a market that struggles with high prices, low supply, and few new construction.House hackers who live in their primary and want to airbnb an ADU love this strategy or vice versaInvestors who want to do both long term and short term benefit from having two separate units.Rental Restrictions on ADUs.Thankfully, Raleigh is very STR friendly and ADU friendly right now.

I know January and February are slow months, but looking for suggestions to seek bookings in the short term. 

At that point I dont know investing would make any sense, I have heard scary stories I was thinking about short term rentals but that needs constant cleaning after guests and conpetition is very high my friend spent almost 200k out of pockets to buy a property for airbnb and he got 17 bookings per year....