my house was wired by drunken baboons, which means that the stairwell to my bedroom has three different lightswitches in it, and my bedroom itself has four diff

my house was wired by drunken baboons, which means that the stairwell to my bedroom has three different lightswitches in it, and my bedroom itself has four different lightswitches. What i want is a simple way to turn all the lights on and off, and by far the easiest way to accomplish that is smart bulbs. Especially since i'm renting, and landlords typically frown upon tenants rewiring their properties.