for bad paint ,yes that sounds about right...but otherwise...
( so, I`d not use the no 6, but clean the rest of the car with dishwashing detergent = removes wax , then polish with below product)
My advice would be to get a clay bar...plus Zaino polish (its instead of wax)...imo Zaino is the best polish ,hands down, period...I use it on my car , I have single stage paint...paint is 8 yrs old, I`ve Zainoed it 5 times in that time during 24,000 miles +- ...looks great ,wet look...
you can get the clay bar from Zaino too...if there`s oxidation etc use the clay bar, if the paint is ok, no need to.
its "kind of" expensive to buy,(I spent $50 on my order ,still have more than 70% left) but it goes a looooonnngg way! for my vert I use less than a nail polish bottle size container ea time I polish....for what you get , result wise, its probably one of the cheapest products to use too!