borrow
cost
spend
sell
waste
save
retailer
deal
return
on sale
take something back to the store because you didn't like or because the product has a problem
take something from someone with the intention of returning it
to pay money in things that were not necessary
talk to the person who is selling to agree to a good price that is going to benefit both people
a person or busines that sells products for the people to use them
to give a product in exchange for money
when a product has a discount
the price of a product
keep the money to use it in the future
pay money in something, a product or a service