Write for people who don't know
Someone looking for a logo does not know what a vector file is, or why it matters. Explain in plain language what they get and what it is for.
Be concrete about the deliverables
Instead of «professional design», write «three initial proposals, one chosen and refined until approved, files in PDF, PNG and SVG, plus a version for social media».
Say what you don't do
A listing that says «I don't handle printing or social media management» saves pointless conversations and avoids frustrated clients. Whoever reads that and still hires is the right client.
Deadlines you can keep
Better to promise seven days and deliver in five than the other way round. On-time delivery weighs on your ranking and on your reputation.
Prices that make sense
The three packages should be clearly different from each other. If Basic and Professional are almost the same, nobody understands why they would pay more.

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