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Starting on a POS from day one means your numbers are clean from the first sale: real margins, real stock counts, real records when KRA asks. Migrating later means untangling months of notebook entries.
That said, do not over-buy for a stage you are not at. If you are testing an idea with no stock and no compliance need, a simple method is fine until the business is real, then move before the habits set.
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Related questions
Is it better to start clean or migrate later?
Usually start clean. Clean numbers from the first sale beat untangling months of notebook entries when you eventually switch.
What is the first sign I need a POS?
Holding stock, taking M-Pesa, or needing compliant eTIMS invoices. Any one of those is the moment a POS earns its place.
Veira gives Kenyan shops one calm app for selling, M-Pesa, KRA eTIMS and stock, with a free terminal. Book a demo and see it set up for your trade.