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How to use a pawnshop to raise money
Test and clean the item.
Looking around the garage and picking up something that hasn't been used for years and is covered in dust or grease will only make the pawnbroker's job more difficult. If it looks like you don't care about or value the item, the pawnbroker certainly won't place much value on it, either.
Decide how much money you need to raise. By having a certain amount in mind, it helps the pawnbroker get you the amount you need.