all communication on OfferUp is kept within the app. I never had to give out my phone number since people could message me immediately — and it was great. While all those pictures look nice and ...

Looking to expand beyond Facebook's marketplace? Try these Facebook Marketplace alternatives to buy and sell locally.

“OfferUp’s app is a gateway for scammers, who naturally show an interest in fast-growing easy-cash markets,” says Serpil Hall ...

Seattle Children’s Hospital, in particular, has joined forces with high-end secondhand item retailer Seattle Children’s Bargain Boutiques and the OfferUp app to prompt city residents to check ...