I'm not an expert in these markets nor turn key but ohio is a great state to invest. our strategy has always been buying below market or building below market 

I would highly recommend talking to Jeff Weller at Coast 2 Coast and Fernando Corona both are also PadSplit hosts but we're some of the first expert lenders .

We exclusively travel during non-peak seasons, so we would be looking to rent out completely during busy/peak seasons, and would stay at the place during slow seasonsQuestions for the experts out there:1. which development(s) tends to be the best for ROI/have the best occupancy rates?

Your question has been debated between BP tax experts both privately and publicly, for example here: https://www.biggerpockets.com/forums/51/topics/819991-expens...And we ended up where we started: no consensus and no clarity.There have also been court decisions that support my interpretation, even though I personally find these court decisions debatable.

Tacoma is a fantastic market with a lot of opportunity, so you’re starting in the right place.Here’s how you can connect with local experts and start building your skills:Attend local meetups and networking events.

I disagree with asking your CPA what they like unless your Tax CPA is an expert in the same specific industry you are in. 

I'm not a climate or weather expert though. 

Based on the information that you shared, if you haven’t already done so, I recommend connecting with a local expert.

I bought 6 unit property in Wildwood,NJ,in November 2024, doing rehab now,  should be done by May 2025I am planning to subdivide 6 unit building to 6 separate condos and sell fall 2026, , if there are any experts in 1031 that can help me?!

You want lower land cost with high rental demand unless you're a reno expert and flipper which not 1% of real investors are.