Your biggest client isn't necessarily your best one.
Revenue tells you what a client pays. It doesn't tell you what they actually net you once the time it takes to serve them is counted.
Illustrative estimate · Not financial advice
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Customer Profitability: Why Your Biggest Client Might Be Your Worst One
Revenue and profit aren't the same thing at the client level, and the gap between them is usually hidden in time — the meetings, the revisions, the "quick questions" that never show up on an invoice. Once you count it, the client you'd never fire is sometimes the one actually worth reconsidering.
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Picking a rate off the top of your head almost always undercharges. Here's how to work backward from an income goal — accounting for the hours you can't bill, business expenses, and taxes — to a real number.
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The fully loaded cost of an employee vs. the salary number — employer FICA, FUTA, SUTA, workers comp, benefits, and the revenue math behind whether a hire breaks even.