Last month, I traded the following at the local Apple store, and received an Apple gift card for each:
2017 15" MacBook Pro 3.1GHz w/ Radeon Pro 560, 16 GB RAM, 2TB SSD for $790. Very good condition. "Mac Me an Offer" offered me only $685 for it.
2019 15" MacBook Pro 2.4GHz w/ Vega 20, 32GB RAM, 2TB SSD for $1325. Excellent condition.
iPhone 7 32GB for $40.
Given the amount of risk with selling on eBay these days, and the huge cut eBay and PayPal take (they also deduct sales tax now, ridiculous for a private party sale), I thought all of these were very reasonable from Apple. For each transaction it literally took me less than 5 minutes at the Apple store, and no risk waiting for days wondering if a buyer is going to scam me. And I got to keep all the adapters/charging cables.
I spent the gift cards on two M1 MacBook Airs, and I found their performance to be somewhat midway between those two Macs... but I'm still using Intel apps mostly, in Rosetta2.