Idea: PriceWatch Lite – affordable (<$50/mo) competitor price-monitoring & alerting for small SaaS / e-commerce.

1. Keyword demand

   • “competitor monitor” – 1 000 searches/mo, difficulty 26, CPC $55.62 ➜ meets ≥500 volume & <30 difficulty.
   • “competitor monitoring tools” – 880/mo, difficulty 24.
   • “competitor price monitoring” – 1 600/mo, difficulty 33 (slightly above cut-off but still moderate).
   • Long-tails such as “competitor price monitoring software” (480/mo, diff 34) and “price monitoring tool” (320/mo, diff 36) add extra tail traffic. ➜ Clear keyword traffic with at least one primary keyword satisfying the 500/30 rule.

2. Competitive landscape / pricing

   • Prisync – starts at $59/mo, jumps to $99 and $199. (SERP #1 for core keyword.)
   • Price2Spy – Basic $78.95/mo; higher tiers $496 – $947+ (scraped pricing page).
   • CompetitorMonitor.com, Pricefy.io, PriceMole, PriceShape, IntelligenceNode, etc. Most entry tiers sit $60–$100+ or focus on ≥1 000 SKU retailers.
   • No well-known providers sub-$50 that still give daily checks + Slack/email + CSV.
   • Presence of many paid tools proves businesses pay for the problem; gap at lower price-point.

3. Evide...