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18th birthday decorations
Worth a lookShows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Brand share
Incredible35%top-5 brand share — no brand owns this niche
Competition
Great28%top-5 click share — an open shelf
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Review moat
Good654.63avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good£512K£512K/yr · 967K searches
Growth
Bad-8.3%90-day search growth — must beat 0% to launch
Avg price
Bad£7.36avg listing price — sweet spot $15–$100
Price range
Bad£2.68–£14.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals No Dominant Brand