People hoping to get a deal on a Tesla Cybertruck are in for disappointment. The automaker has removed the rear-wheel drive (RWD) trim model from its website just five months after it debuted. The move comes as Cybertruck sales continue to slide . That model carried a price tag of $69,990, but potential buyers who go to the Tesla site now will see the$72,490 all-wheel drive model as the base option. That price deducts the $7,500 federal tax credit, which will disappear on Sept. 30. The base vehicle price ...