I've used eBay in the past, and also list on Facebook marketplace, particularly for big items or for things I'm giving away in the local area.
But lately I've been listing on Vinted and definitely recommend it. No charges. Buyers can send you a label code (which is printed off using the code by the drop off shop - so no need to go to the post office or to print a label yourself).
Plus the listings can stay online indefinitely. (I've had things sell after being listed 6+ months ago. I list the items and put them away in a box, all together, so I don't forget where they are.)
Anyway, this is just FYI.
Kate Garroway-Care at home costs