It depends on the vendor there is no price control, it is a matter of looking at where it is best to buy
If you have one to look for and find
It is not much difference most sellers have the same prices
It is a swapmeet, they are not online stores, it is not more expensive or cheaper. What buys you is the treatment of people and what suits you best
I do not know if it is due that according to what they sell the prices vary but walking you find what you are looking for and sometimes ah good price
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