Why does the generic term convert badly?+
Because it describes a shelf rather than an item. Someone searching it has not decided what they want, while someone searching for a growth chart or a monthly banner is ready to buy one.
Which format is worth starting with?+
Whichever you can make a complete set of. A coherent set in one format beats single items across four, because this is bought once and used for a year.
How do I keep a set coherent over twelve months?+
Fix the layout and vary only the number. Parents photograph these in sequence and the series is looked at together, so a set that drifts in style is obvious at the end of the year.
Should milestones be tied to specific ages?+
Give both. Month markers suit the first year, but named firsts happen whenever they happen and are the ones families actually remember.
Can I sell baby milestone designs made with AI on Etsy?+
Yes, with disclosure. Etsy allows AI-assisted designs under its Creativity Standards provided you are clear about how they were made.
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