> Price is 3-4 times higher but it lasts 5-10 times longer and is much more pleasant to use. If you are rich then you can buy something that is 20 times more e

> Price is 3-4 times higher but it lasts 5-10 times longer and is much more pleasant to use. If you are rich then you can buy something that is 20 times more expensive and lasts twice as long. The efficiency doesn't matter as much when it's chump change either way.