Deposits should only be paid when you are really interested in an offer. Paying a deposit indicates an intention to buy and is binding.
When ordering a product, make sure you have a clear and detailed description of the product and the precise delivery date.
Keep all evidence of the purchase.
Double check the retailer's refund policies before buying.
No matter how extravagant the offer is, your legal consumer rights do not change.
Check out huge price reductions by shopping around and comparing prices.