The best thing about the online shopping is that you can a see a lot of products very quickly.
The other best thing is that the prices are (or should be) better that in a brick and mortar shop because brick and mortar cost a lot and guess who is paying this price? The customer of course.
To be fair, the online shop charge postage so that makes things a bit more expensive.
So it is important to keep your eyes open when you shop and compare the prices.
And you can do it online, in the comfort of your quiet room, or even in front of a TV set (do not recommend that!). You can do it very efficiently because – yes! – the best thing about the online shopping is that you can a see a lot of products very quickly.