Their range of products is very good and pricing is also very conpetitive and in most of the case better than others.
Courier service is very fast and it delievers where no one delievers.
Replacement of a product is very easy and it takes around 3 days.
New products often launched by snapdeal on their app first.
Snapdeal gives a tough fight to flipkart and I think it take lead in every department.