We will soon introduce some products to our store that most likely will be sold within minutes after they have been put for sale. In order to check how Zen-Cart behaved when more people try to buy the same product, we simulated a situation where two customers put the same product in the shopping-cart and completed the check-out more or less simultaneous. The result was that both orders went through and the stock went to -1. The stock settings are set to not allow checkout when products are sold out.
Does anyone have a suggestion to what we can do to avoid selling the same product many times?
Now we tried this with the bankdeposit module. Anyone having an idea if the same will happen using paypal (as the only choice)?
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