This is also an interesting case for me.

Selling Zendrop electronics products, many of them only come with a round-plug and cannot be used directly without a plug adapter.

I can either include an Order Bump for the adapter or create product bundles that include the adapter for everyone whether they need it or not.

I would prefer to include it as an order bump and enable it by default. If they don't want this they can disable it otherwise they will get the adapter too.

Why?