Looking to buy used iphone

Pretty wary of buying a phone on craiglist/fb marketplace as I've heard its ripe w scammers. Any carrier will do as I use cricket. Please let me know which model and price if you've got one you're looking to sell. Thanks! -- "If your daily life seems poor, do not blame it; blame yourself, tell yourself that you are not poet enough to call forth its riches." - Rilke