apparently does “donate” his salary to other government agencies, in part i guess to grease the wheels to get what he wants. in other language, feeding the swamp. in yet still other language, a bribe.
usa today put together a list of the agencies he targeted
and as others have pointed out, the salary is chump change. he makes much more than by charging fees to the secret service, and charging foreign officials for access at his washington hotel and his golf courses
probably also by funneling money from campaign funds from the people he’s grifting and from companies building the wall