Anyone has any idea what the best niche to advertise on instagram is like affliate programs or anything really.i have a 134k ig and I want to use it for a good use
It's pretty obvious, you haven't seem it before I assume.
Apps.
Paid apps or apps with crap tons of ads. Make an app , publish it on Android and iOS and make it paid and tell all your followers to download/buy it for a shoutout or something. I see this all the time on IG, your account has to be pretty big though.