1. Assume you buy cotton fabric from a wholesaler for $10 a meter. You are able to make 5 reusable face masks which you resell for $50 a package. Since you offer free shipping for customers, your shipping costs $5 for each order and you want to build into your budget a target profit of $20 for each order. Based on this, what should your target CPA be?

2. Based on the information from above, and knowing that your average CPC will cost $3, what would be your target conversion rate?

3. And based on the information from above, how many clicks do you need to have before you get one sale?