I had no problems installing this water filtration system myself after having read the directions.  I installed and set up the app, also not too difficult. I’ve been using this for over 2 weeks now and I’ve very happy with it so far. This is best filtration system I’ve had in my house.  I really like that it’s wireless and allows me to monitor water flow and leak detection from my phone.  I did have to install an outlet next to this unit, but I am an electrician so that was no problem. My home is newer so there is no problems with the waterlines And they’re easily accessible. So far, but m impressed.  I swear my water tastes better now.