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⚠️ Cautionary Tale
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Category · Evidence · Difficulty
#1
$250K/mo
T1
Letterly
Voice in, well-written text out — that's the entire feature set, and simplicity is the moat
Simple Tool
T1
Simple Tool
#2
$80K
T1
Rabbit Holes AI
A downloadable multi-model AI chat app where side-topics branch off into their own threads — sold once for $90 lifetime, running on the user's own API keys, so there is no server bill and no token cost
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Simple Tool
T1
IN
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