When you purchase really expensive merchandise, make sure that you purchase only from established sellers otherwise you might end up having pricey merchandise without having any official warranty. In case you intend to invest in a personal computer, it's strongly recommended that you simply buy from a dealer that offers an on-site guarantee so that you may get your computer fixed on-site if required. If you are buying a merchandise on the internet, it is not unusual to be asked to pay additionally for transport costs. However, due to the fact different sites or retailers have varying prices, it is wise to check for the transport prices first as other people have outrageous charges with their shipping rates.