利潤 = 收錢速度 − 用錢速度 × 老闆加薪（自己）
$180.00
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利潤 = 收錢速度 − 用錢速度 × 老闆加薪（自己）
$180.00
Profit =
How Fast Money Comes In (income) − How Fast Money Goes Out (expense) × Boss giving a raise (to oneself)
This isn’t accounting.
It’s reality.
Profit isn’t about big revenue —
it’s about cash speed, spending discipline,
and whether the owner actually gets paid.
This T-shirt is for people who’ve learned it the hard way
and stopped confusing “busy” with “profitable.”
Built with heavyweight, breathable cotton for long, demanding days,
made to hold its shape while you build yours.
If this formula makes sense to you,
you’ve already earned the shirt.