Forums in the Flea Market Niche

1. QRZ Forums
Ham Radio discussion groups
https://forums.qrz.com/index.php  

2. Digital Grin Photography Forum
The best forum to share your photos and celebrate photography!
http://www.dgrin.com/  

3. Forum
Discuss everything South Park with fans from around the world!
http://forums.southparkstudios.com/forum/  

4. MobileRead Forums
MobileRead - the resource for mobile geeks seeking information and advice for keeping their gadgets happy.
http://www.mobileread.com/forums/  

5. Avian Avenue Parrot Forum
Parrot and companion bird forum
http://forums.avianavenue.com/  

6. www.valueforum.com
ValueForum
https://www.valueforum.com/  

7. Aussie Stock Forums
ASX discussion forum for Australian stock market investors and traders
https://www.aussiestockforums.com/forums/  

8. BabyPips.com Forex Trading Forum
Ask forex questions and share trade ideas, market analysis, trading systems with other traders.
https://forums.babypips.com/  

9. Real Estate Forums
A place to talk real estate, or anything really.
https://realestateforums.net/  

10. Stool Pigeons Wire Message Board
Forum has 891,101 posts.
https://www.capitalstool.com/forums/  

11. The Get Rich Slowly Forums
Forum has 77,843 posts.
http://www.getrichslowly.org/forum/  

12. Stockaholics
Top ranked stock market message boards, educational tools and trading resources.
https://stockaholics.net/  

13. www.stageanalysis.net
The Stage Analysis forum is for Stock Traders & Investors who use Stan Weinstein’s Breakout method as described in his book ‘Secrets for Profiting in Bull and Bear Markets’. Trading & Investing in...
https://www.stageanalysis.net/forum/  

14. Cryptocurrency Forum
Cryptocurrency Forum, Crypto News, Blockchain, Decentralized Finance, Non-Fungible Tokens, Wallets, Exchanges
https://cryptorum.com/  

15. futures io
Trading Reviews & Strategies | futures io community
https://futures.io/  

16. TheSite.org
Forum has 2,069,692 posts.
http://vbulletin.thesite.org/  

17. www.affilorama.com
Affilorama : The #1 Affiliate Marketing Forum with over 930,000 members that actively discuss all aspects of affiliate marketing and building a business online.
https://www.affilorama.com/forum/  

18. Winemaking Talk - Winemaking Forum
Wine making & grape growing community forum & winemaking for sale classifieds. Winemaking forums for wine, wine making, grape growing, terroir, AVA, vineyards, cellars, cooking, wine travel.
http://www.winemakingtalk.com/forum/  

19. Sell & Trade Game Items | OSRS Gold | ELO
Sell & Trade 2007 RuneScape Gold, ELO Boosting, Rocket League of Legends, Runescape Private Server gold, Pokemon Go Accounts, FIFA coins, CS:GO keys, Diablo III Accounts.
http://www.sythe.org/  

20. WDWMAGIC - Unofficial Walt Disney World discussion forums
WDWMAGIC.COM Discussion Forum, Bulletin Board, WDW, Walt Disney World News Rumors Photos Reviews
https://forums.wdwmagic.com/  

21. UD Forum
Forum has 3,364 posts.
https://www.urbandigs.com/forum/index.php  

22. Siccness Network
#1 Source for Gangsta Rap!
http://siccness.net/vb/  

23. SpeedGuide.net Broadband Commu
SG Broadband Community. Everything you'd like to know about Cable Modems, DSL, Satellite, Networking, Security, Wireless, Routers and more.
http://forums.speedguide.net/forum.php  

24. Whirlpool.net.au
https://forums.whirlpool.net.au/  

25. Homebrew Talk - Beer, Wine, Mead, & Cider Brewing Discussion Forum
Forum has 5,811,960 posts.
http://www.homebrewtalk.com/forum.php  

26. Volleybox
Discussion about everything connected with volleyball: players, competitions, tips, rules, store and about our website.
https://volleybox.net/forum  

27. Fierce Board - The Voice Of Cheer
Cheerleading Message Board - The #1 College Cheer, High School Cheer, and Allstar Cheerleading Forum
https://www.fierceboard.com/  

28. Canadian Money Forum
Forum has 11,496 topics.
http://www.canadianmoneyforum.com/  

29. Indian Real Estate Board
IndianRealEstateBoard
https://www.indianrealestateboard.com/forums/  

30. forum.forex21.com
Forum has 1,716 posts.
https://forum.forex21.com/  

31. The DIS Disney Discussion Forums - DISboards.com
Disney World Information Forums
http://www.disboards.com/  

32. cashbb.com
CashBB Money Discussion Forums
https://cashbb.com/  

33. Ubuntu Forums
A help and support forum for Ubuntu Linux.
http://ubuntuforums.org/  

34. DroneFlyers.com Quadcopter Discussion Forums
Quadcopter, Drone and Multirotor Discussion Forums
https://www.droneflyers.com/talk/  

35. US Message Board - Political Discussion Forum
USMessageBoard.com is the premiere Political Forum with many areas of discussions including Current Events, Corona Virus, COVID-19, Politics, US Affairs, Congress, Stock Market, Economy, Energy,...
http://www.usmessageboard.com/  

36. ETF Talk
ETF Talk
http://www.etftalk.com/  

37. R2IClubForums
Return To India
https://www.r2iclubforums.com/forums/  

38. My Local Services
Welcome to our 100% free and friendly Small Business Forum. Gain advice, help and join in the business discussion and banter.
https://www.mylocalservices.co.uk/forum/  

39. Site Owners Forums
Prime Web Development and Marketing forum!
https://siteownersforums.com/  

40. Nissan
Nissan Forum | Nissan Forums : The web's largest and most active community resource for Nissan and Infiniti owners and enthusiasts.
https://forums.nicoclub.com/  

41. Nairaland
https://www.nairaland.com/  

42. Prepper & Survivalism Forum
Forum has 5,373 members.
https://www.doomsdayprepperforums.com/  

43. BigFooty
AFL Australian Rules Football forum, footy blogs and aussie rules community. Live game chat.
https://www.bigfooty.com/forum/  

44. House Price Crash Forum
http://www.housepricecrash.co.uk/forum/  

45. Insurance Forums
Largest Insurance Forum on the net - discussion and advice on all insurance products, for agents and consumers
https://insurance-forums.com/community/  

46. The Property Forum - The Place to Talk Property
Join the Property Forum experts with the latest discussions real estate, property developent, investment and more.
https://www.propertyforum.com/forum/  

47. Insurance Forums
Largest Insurance Forum on the net - discussion and advice on all insurance products, for agents and consumers
http://www.insurance-forums.net/forum/  

48. UKworkshop.co.uk
UK Workshop discussion forum & woodworking shop for sale classifieds. Carpentry & woodworking forums for tools, jigs, builds, lathes, saws, finishing, joinery, cabinet making.
https://www.ukworkshop.co.uk/  

49. elitepvpers
MMO Insider Forums - anything about Hacks, Bots, Cheats, Guides and more!
https://www.elitepvpers.com/forum/  

50. Graphic Design Forums: A friendly forum for designers
For all your graphic design & website design related discussion, advice & assistance. FREE TO JOIN so come & say hello :-)
http://www.graphicdesignforums.co.uk/