ANSWER:

Selling cakes in general is permissible. But if you know for certain that it is for a birthday anniversary, Valentine’s Day, New Years or any haram activities, this is not permissible. 

Wedding cakes are ok. 

I want to be a cake baker , but being a professional cake baker would involve taking orders for birthdays , anniversaries , mothers day fathers day , valentines day , big fat wedding , so even if i keep all the ingredient halal , but because my means of order would exactly me right will my earning be halal?

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