That's ranged from squadrons of model airplanes to a coffee table burdened under the load of a dozen different consumer electronic remotes. Now even the house isn't safe. I just completed the installation of a bunch of X10 home automation hardware. I don't have those problems anymore. Not only is the X10 stuff inexpensive, any bubba that can work a screwdriver can make it go.
Little boxes plug into wall sockets.
Lamps and appliances plug into the little boxes. More little boxes plug into computers. All the parts talk to each other through the power lines in your house. No special wiring needed. And you don't even have to have a computer in the mix if you'd rather not.