I used these years back for stuff but the delivery times were terrible. I bought a radio recently that arrived in a week and was a huge discount on getting the same thing from Amazon (which often would stiil be shipped from China too).
You are pretty safe as AliExpress holds the money in escrow until you have got the item and had a chance to check it out. I've just ordered a couple more things one will take about a week while the other will be 2 to 3 but the saving makes that worthwhile.
I still haven't tried Temu as the stuff for the most part looks like it may be tat.
I'm sick of Temu ads, and I agree the stuff looks like tat.
Never bought anything from them. I get some clothes from Shein. Never had any problems except I found their boots a bit nippit.