User Activity

all new to this, Often I get a sale where the buyers name is different to account name Who should I address parcel too?
Just set up a shop, want to offer more than one product available eg": Customer might want to buy more than 1 of product I am offering for sale. Suppose to be where you put fixed price in but I cannot see anything to offer this feature.
. If I put up a product and say I have 10 available do I pay upfront for 1 or 10 insertion feeslooking to set up small shop and offer a product where there is multiple product available