Like Clarry, I just use my $19 K-Mart bought digital kitchen scales. If the item is larger than the plate, I'll stand something on the scales first, like a cup or a box, then tare it back to zero and pop the item on. I was shocked to see that my scales weighed exactly the same as my local AP's scales. Not bad given my scales are flogged to death and never calibrated.

If you wanted to weigh something like clothing, I'd probably put a mixing bowl or something on the scales and pop the garment in that.

My items are either sent large letter or small parcel (under 500g). The only time it goes over that is if someone buys several items. I use all my own packaging and pay for postage over the counter. My eBay bill is enough each month without having a heap of postage costs tacked on. I'd rather just pay as I go. A lot are happy using the eBay postage system, but that's my preference.

I charge extra on my parcel items to cover the postage fees that eBay charge. My postage star is quite OK. As long as you don't go excessive with charging a bit extra, buyers don't usually have an issue paying a bit extra. I get charged $7.45 at the post office, I charge buyers $8.20.