Directly answering your question: if you are not afraid of an affiliate, such scheme will only help.
This is a good way to distribute the weight in more of its stores.
We have a client that deals with clothes large sizes.
He has two websites:
- Clothes of the big sizes for men.
- Large size clothes for women.
Of course, both shops audience is different. Each of them sharpened by their requests: male and female respectively. For General queries, a La "clothing" consciously move women because it is usually looking for.
Summary: both sites sit firmly in the top in their area.