When I look at this from a bit more analytical perspective, I try to break incomes into categories: stand-up gigs and specials, television salary, syndication/residuals, film/guest work, and investments/other. For Michael Richards, the highest-value category by far is syndication and residuals from 'Seinfeld'. At the show's peak and in the decades after, those checks dwarf what a club comic or occasional touring headliner would earn.
Concrete math: assume a middle estimate net worth of roughly $30 million. Stand-up earnings across a career like his — early clubs, possibly special appearances, maybe a small television comedy set — would realistically total in the low millions at most. So I'm comfortable estimating roughly 5–10% originated from stand-up (about $1.5–$3 million) while 70–85% came from television residuals, paychecks, and related media roles.
the remaining slice includes things like guest voices, occasional film work, and personal investments. That kind of split explains why many actors who started in stand-up end up far wealthier from sitcom gigs than from stage work. My takeaway: the stage made him, but TV paid him, big time — which is a bittersweet but common story in comedy circles.