I can't speak for using it all the time but when I used it they worked great and solved the issue.If it's a shower drain then usually some soap and hair builds up and you just unscrew the drain and clean out.If it's the bathroom sink or tub drain the zip it's pull the gunk up pretty decent.

@Shane Willcox Secrets of Power Negotiating by Roger Dawsonhttp://www.amazon.com/Secrets-Power-Negotiating-Anniversary-Edition/dp/1601631391

In order to avoid conflicts among strangers he offers untraditional amenities: monthly house cleaning; monthly restocks of consumables like dish soap, paper towels, TP etc; free utilities and so on.