Detailing is scale able to a certain degree if ur by you're self no ,you're income will be limited and it's a revolving door in this business,u can get three good feeding dealers ,hire 5 guys pay all those taxes and chemicals and insurance,and work 7 days a week and deal with dealers they will run you to the ground at the end of the year u will be saying why did I do this cause maybe just maybe u will break even,as to u work in by ur self guys I've been doing this for 23 years ,I've done all that,just trying to educate u in the real world ,get a 9 to 5 job with health insurance and detail on the weekends . You're not gonna make 100k in you're pocket net ,the most I mademism87 k then start making ur deductions,if u like to work on cars stay small make 60 k a little deductions that's the way to do it ,and stay away of brick and mortar it will eat ur profits quick.or but a 500 k car wash which is on the cheap side and do 150 cars a day ,that will maybe get u to a 100 k take home