A van, water tank, and skill — you go to the customer. Low startup cost, recurring
clients, cash-flow fast.
Steps: (1) buy/borrow basic kit; (2) detail 3 cars free for photos; (3) post
before/after content (Core Four); (4) charge per package.
What we got wrong (general): we have not personally run this business, so the numbers
above are labeled estimates, not measured results — confirm locally before relying on them.