Discussion Forums
Adafruit Forum - https://forums.adafruit.com
Arduino Forum - https://forum.arduino.cc
RC Groups Forum - www.rcgroups.com/forums
RCExplorer BiCopter Forum - https://rcexplorer.se/forums/
Blog & Sites
HackaDay - https://hackaday.io/lists
Adafruit Blog - https://blog.adafruit.com
Hobby Shops
Adafruit - www.adafruit.com
Banggood - www.banggood.com
AliExpress - www.aliexpress.com
HobbyKing - www.hobbyking.com
Surveilzone - www.surveilzone.com
TinkerForge - www.tinkerforge.com/en/
Pi Supply - www.pi-supply.com
ModMyPi - www.modmypi.com
Tindie - www.tindie.com
Etsy - https://www.etsy.com
Electronics & Computers
MonoPrice - www.monoprice.com
NewEgg - www.newegg.com
DigiKey - www.digikey.com
Mouser Electronics - www.mouser.com
FPV
Good Venture Drones - www.goodventuredrones.com
GetFPV - www.getfpv.com
TeamLegit - www.team-legit.com
OscarLiang - www.oscarliang.com
RCExplorer (BiCopter) - https://rcexplorer.se/product/bicopter-kit/#
Crowdfunding
Kickstarter - https://www.kickstarter.com
Crowd Supply - https://www.crowdsupply.com
GoFundMe - https://www.gofundme.com