I just scanned through the TOS. The only thing I could find that's related to this at all is a clause saying that you won't submit a review or rating "for any M

I just scanned through the TOS. The only thing I could find that's related to this at all is a clause saying that you won't submit a review or rating "for any Merchant or business for which you have an ownership interest, employment relationship or other affiliation or for any of that company’s competitors" Nothing about not ordering from your own business.