VoIP service
Ecommerce of popular amazon product but do it better based on reviews (this probably needs its own document and research)
Automated checkout at grocery stores
Automated checkout at restaurants
Airbnb like platform where you can list items you want to rent out and others can search for items to rent
Printer Kiosks
Subscription travel survival guide for popular tourist destinations
Airbnb type service with local tour guides
Thermometer powered by body heat
Instagram automation
Blockchain analysis software
Blockchain auditing
Blockchain mixing service
Health insurance for dance/show horses
Educational games for children
Shopify store
Weed industry is growing, something there?
Belize (Placencia and Caye Caulker) can use a website that lists deals, ads, etc.
Renting out Tuxes for weddings strictly online (with lower overhead than Men's Warehouse)
Contractor associate networks software - lets you know availabilities, and other things
Drop Shipping
Audio/Video screen recording product
Make use of fruit that is left to rot in warehouses in the US because it doesnt look perfect (tidbit of knowledge from Naked&Afraid)
Uber type service where local residents answer prospective homeowners and renters' questions about the neighborhood


See these for ideas that are doing well:
producthunt.com
appsumo.com
flippa.com

See flippa-site-analysis.txt for more ideas