Digital Marketing Consulting Help

Hello,

I am looking for one-time help with Facbook Event setup.
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Setup Details:
I have a woo-commerce website with just 2 products.
The first product sells for price X.
The second product sells for a price of 10X.

Both products are aimed at the same target audience.
I have two separate campaigns for each product.

I have optimized campaigns for the “Purchase” event received from WooCommerce integration.
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Here’s the issue
1) Sometime campaign tracking gets mixed. For example: User came to the website from first product’s campaign but bought second product.

2) The second product campaign performs better when it is the only campaign running. If I run both campaigns together, only first product’s campaign performs, and second performance stops.

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We probably need to optimize both campaigns for different custom conversion events.

Should we setup custom conversion events in FB?
Should we use tag manager to send custom events to FB?

Is there any other approach?
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I am seeking your help to setup custom conversion or whatever other solution you can think of.
And teach me the basics of it, so that I can manage it myself going forward.

It’s a one-time job.

Ping me up with your approach or if you need more details.

Thanks
Chirag