Any legitimate PC gamepad should work just fine in Dolphin. You don't need to spend a fortune.
Logitech makes a wired USB gamepad for $15 (top result on amazon). I haven't tested it and can't comment on the quality but I'm sure it at least "works".
Logitech makes a wired USB gamepad for $15 (top result on amazon). I haven't tested it and can't comment on the quality but I'm sure it at least "works".
