None. I'd like to, but am quite sure I'd lose the thing and all that expensive equipment with it. Also, it's a bit offputting where I am in Australia, in that almost every public place including national parks have banned us from using them.
I used to have a couple of cheapie quads, but eventually gave up on them and tossed them. I flew R/C airplanes for 30 years, and have often thought about buying a quality multi-rotor (I really don't like the drone moniker), but I have so many other interests - particularly woodworking and photography - to which I've directed much of my disposable funds. The Mavic Mini is very tempting, however.