I haven't found that to be the case.
https://www.amazon.com/Whirlpool-WHER25-Reverse-Osmosis-Filt... that is $130 and the kits are very easy to install. In 13 months you'd have it paid off and you can make all the water you want.
https://www.amazon.com/Whirlpool-WHER25-Reverse-Osmosis-Filt... that is $130 and the kits are very easy to install. In 13 months you'd have it paid off and you can make all the water you want.