Instagram does not allow you to add links to your posts. 

So, the only way to get your followers to click through to a product is via the profile link. The statistics we are getting show that brands who use their profile link to direct their Instagram followers to a "sandwich page" enjoy much higher sales conversion rates ranging between 3% to 8%. Those who direct their profile link to their home page or, a page not representative of their Instagram feed (as the source of the traffic) are much *less* successful with sales conversion rates ranging in the 0.5% - 1.2%.

I should also mention that you can choose whether to then send the visitor to your Snapppt profile page OR, to a page on your own website which has your shoppable instagram feed embedded into it.

If you haven't already come across embeds, here's a step by step video that shows you how to use them:
Note: Video does not contain audio.

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