By the way, offer up and letgo have combined now. If you want to ditch stuff quick, do a yard sale and offer dirt cheap prices. If you want to maximize profit, eBay (but that's a loooot of work, my work does that and it's half my workload).

If you want an in-between, you can go on fb marketplace and offer up. There are tons of annoying bots though.

Some towns have their own local community platform/forum for you to post through.

Ultimately though, a lot of stuff will probably be trashed. Even if something has a good shelf price, actually selling it is pretty hard. At work, something has to sell for greater than 20-40$ to break even on storing it, tracking it, packing it and shipping it.

You can also donate much of it to thrift stores.

Ebay tends to get the best price, but shipping is a pain. If you want to sell things quickly and easily, Facebook Marketplace is your best bet. If you just want to get rid of things without throwing them away then Buy Nothing on Facebook is best.

Sorry about your mom, op. That ain't easy.

The only thing I would say is if you have siblings, cousins, nieces/nephews, check with them to see if they can make use of any of it. Knowing members of my family got those things was worth way more to me than whatever I could have sold them for.

Good luck

Kind of depends on what you're selling specifically, but my usual avenues are ebay and craigslist. I've had mixed results, but sometimes it's effective.

Depending on where you are there are estate buying/selling services or companies.

I have no personal experience with this, but I’ve seen a few in the past. It may help ease the burden.

Mercari

As much as I hate to say it, FB Marketplace likely will have better results than all listed so far

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