Installing it didn’t seem too bad… You can get ones with pre-pressurized lines and you just cut a hole through the wall and put it on a cement pad. Saying that, I might be a bit more comfortable with hands-on things than the average person
Where? If you look online (in the US at least) they are about $2000
Self landing rockets is a great thing to cheer about!
But also people cheered for a guy eating cheese balls so you may have a point.