There is actually no point in wasting gold on control wards as a support
Ive not had a single team, in all of 20 games, do a single thing to help with vision and just lets enemies waltz in and clear everything without being punished. Do yourself a favor, if you play support, just play brand, and save all your gold for your own items.
THESE ARE PLAT LEVEL GAMES FAILING BRONZE TIER MECHANICS