Madagascar day geckos (Phelsuma madagascariensis and related species) are popular display reptiles — vibrant green with red markings, diurnal, and stunning in planted terrariums. Pricing reflects species, morph, age, and source.
Common morphs (juveniles): $15–$30
Adults/proven breeders: $30–$50
Designer morphs (Extreme Harlequin, Blue-Eyed Albino, High Red, Neon): $75–$200+
The gecko is the cheap part. Budget $300–$600+ for proper setup: vertical terrarium (18×18×24" minimum), UVB lighting, heat, misting system, live plants, feeder insects, supplements. Ongoing: electricity, feeders, vet.
A $20 gecko in a $500 setup is a better investment than a $150 gecko in a $50 critter keeper.