If it is a second-hand shop, you can borrow up to 50% of the evaluation price. This evaluation price is not necessarily the amount of your actual transaction, but depends on the amount of the loan you need and your ability to bear the relevant taxes.
In addition, if you are a college student, you can apply for a local "business start-up loan" on the basis of normal loans, so that you can apply for more loans without interest for one year.