what is normal for a paint job

No need for epoxy primer unless its been striped down to metal. I always put 2 coats of sealer. Then it depends on the color of the base & color of the sealer to how many coats of base I use. I then put at least 3 coats of clear on & then that depends on how hard im gona wet sand it. On an average size car ill put 4 coats of clear on, using the whole gallon of clear. I use ppg & the cost for everything could run from $1,200 to $2,500. Bases are getting very expensive. Just the other day I got a pint of the new lime green w/pearl & it was $107.00 CRAZY!