Too many!
One camera, plus spare & "back up" & "back up's back up" as well as *(dual purpose) for my photography "categories":-
Motorsport - EM1x, EM1ii, A7ii*
Out and about (not cities) - G9*, G90*, A7, FZ330
Cities - EPL7, A5100
Daughter's wedding - ZV-1
Nostalgia - K5, Kr
plus several...