Work stands rated for heavy e-bikes (and how to clamp them safely).
A repair stand is the accessory that makes every other maintenance task easier, and for an e-bike it also keeps a 50 to 80 pound machine from falling on you. Flipping a pedal bike upside down for a flat is common; flipping an e-bike puts the display and controls on the ground, and on many bikes the battery or wiring is not happy in that orientation either. A stand holds the bike upright at working height with the wheels free to spin, which is what you need for brake adjustment, drivetrain cleaning and wheel removal.
Weight rating comes first. Many consumer stands are rated around 50 to 65 pounds, which is marginal or inadequate for fat-tire and cargo e-bikes. Look for a stand rated comfortably above your bike's weight, with a wide, stable base. The second consideration is where you clamp. Clamp the seatpost, never the down tube on a bike with an internal battery, never a carbon frame tube, and never a thin-walled aluminum tube near the battery; clamping forces can crack a case or dent a tube. If the seatpost is short or a dropper, extend a spare rigid post or use a stand that supports the bike from below.
For heavy bikes and anyone with a bad back, consider stands with a lift assist, a wheel tray or a rear-wheel hoist, or a floor-standing bench-style stand that cradles the bottom bracket and front wheel. Those also suit cargo bikes that no clamp stand will hold safely. A basic clamp stand is still the right answer for most commuters; just check the rating, clamp the seatpost, and remove the battery first to drop weight and risk.