smart solar chargers
5 Trending Niche Topics 2026 First‑Time Sellers Must Skip
First-time sellers should avoid the five overhyped niche topics listed below because 75% of Gen Z consumers want gadgets that work anywhere, and smart solar chargers rank #3 among 2026 trending products. The hype around these categories often masks steep competition and rapid market saturation, leaving new entrants with unsustainable