Hoping for tips on avoiding eBay scams

I need a new phone. This is not a "perceived obsolescence" issue - my current phone is from 2018, no longer holds charge unless plugged in, barely charges when plugged in, is missing the power button, rarely works without wifi, and has a cracked screen. I don't think it's long for this world.

I have an eBay gift card for $200, which is plenty to get a refurbished "like new" Samsung s22 and below. However, I know there are scammers galore on eBay, and using a gift card doesn't have the same protections as using credit where I can charge back.

So, I was hoping some of you might tell me specific things to look out to avoid scammers - yes, I've read relevant posts in the sub, but anything that might be particularly damning - and if I have any recourse if I end up with some empty box. The main question, really, is if it's worth trying to buy a phone there at all.

Thank you for your help.