You get get products of Tim at Envy Valeting or Andy at Kudos.
First of do you have a pressure washer,if you do then snow foam is a must.
2 buckets with grit gaurds.
A good shampoo.
Decent wash mitt.
Couple of good size drying towels.
A good polish.
Wax.
Applicators.
Wheel cleaner.
Wheel brush.
Detailing spray.
That lot should keep you going.