If you create a premium product that is successful but limits the room for your mass product you risk a competitor eating your mass product, if you don't limit

If you create a premium product that is successful but limits the room for your mass product you risk a competitor eating your mass product, if you don't limit the mass product then you likely trash your premium product. There needs to be a natural need for the premium offer that partitions the product space such as cost of materials or design, and allows you to pull huge margin from the niche to discount the risk you take on it.