Signal is the best I've found too - I'm reticent to use WhatsApp as it's another Meta product. While an online marketplace doesn't require social media (see Cr

Signal is the best I've found too - I'm reticent to use WhatsApp as it's another Meta product. While an online marketplace doesn't require social media (see Craigslist), like events, you're missing out on a large population of potential sellers/buyers if you're not on Facebook.