Online shopping has been a good experience for me as I would have bought more than 100+ items in various categories from various shopping sites.
Remember whenever you buy, buy from a trusted E-Commerce website like Amazon, Flipkart, Snapdeal, etc
Try not to buy from website like Shopclues, E-Bay as they sell low quality and duplicate and used items.
Before buying try reading review of that item from various websites including mouthshut.com also.
Many website indulge in selling duplicate and used items so try reading review of the website too.
Go through the sellers rating which is provided in all E-Commerce website, if and only if the seller rating is above 4/5, buy through that seller else ignore it.
Hope you like it and rate it.
Regards
Mahesh