What ways are there to monetise a Instagram channel and sell shoutouts?

Are there any websites that you use where to sell your IG shoutouts?

What other IG channel monetisation methods would you recommend?

There's http://shoutcart.com and http://shoutoutcart.com
or you can put email/kik in your bio "for business kik blablabla"
also You can resell products related to your niche
goodluck

The only time a shoutout worth doing if your account over 10k in followers but fully active members....

Each shout out i pay around $20 and return around $350 in profit.

But that with very heigh good interacting healthy accounts ....