Many have pulled out of insuring multifamily properties or only cover up to 4-unit buildings.While Allstate doesn’t have a unit cap, they do cap total coverage at $750K on a landlord policy—which is why I’m exploring options for supplemental coverage.The carrier raised my rate by ~86% on all three properties under this policy.

If not for you and you prefer the traditional route, I would explore potential "up and coming" markets such as Acworth, Cartersville, and Douglasville, where the price-to-rent ratio is a little more favorable, and growth is apparent.

And start the two year clock ticking again. 

I suggest you start out by meeting like minded people and here is a link to a local meetup in the OC: https://www.biggerpockets.com/forums/521/topics/1225233-ocre...Good Investing...

I am writing to explore rental opportunities for a recently renovated property that has been 90% restored following fire damage.

Regarding getting started, I recommend finding an STR owner who's overwhelmed or just worn out with managing their property, and perhaps who's also not using a dynamic pricing tool, and then offering to manage it for a very small cost. 

I'm a Realtor and I'm wanting to get into fix and flips by working with wholesalers and buying properties in neighborhoods with a good spread. I'm having trouble determining who's a good wholesaler and who's not. What...

Best thing to do is start by reading The Ultimate Guide to Grading Cleveland Neighborhoods.

You might have other options to explore to drum up liquidity (HELOC, Margin Loan, Policy Loan, etc) that can supplement your HYSA in the DP.

It sounds like you are off to a great start already especially by educating yourself!