Avoiding escrow isn’t really possible unless you somehow live in a perfect world without bad actors. I recommend doing some digging into how different defunct darknet markets have utilized escrows and monero as even if your market does everything legally there’s still valuable leasons to learn. If you want recommendations you should look into White house market (mods it’s defunct) as their system handled escrow in a way where everything happened at the transaction level meaning the only coins that could be stolen were the exact transaction ammount.

Lots of people buy random ass gas station “supplements” as some are research chemicals being sold under other names. Unfortunately the real fun stuff no longer pop up after the DEA cracked down on it. Here’s some examples of different RCs that were sold in gas stations.

2C-B a serotonergic psychedelic was sold as an aphrodisiac under the brand name erox and nexus

MDPV and 4-MMC two empathogens similar to MDMA where sold as “bath salts” under several brand names including ivory wave, purple wave, and white knight

Famously a whole bunch of synthetic cannabinoid were sold under the brand name K2 and Spice

DMAA a stimulate was sold under the brand iced diamonds and many other brands