1. Your products are ALWAYS your products. You can list them or enlist them whenever you want.
2. If you choose to use the WeaverMart cart to process payments then Payments will be handled through Paypal Adaptive Payments so you can be paid immediately. WeaverMart does charge a modest 2% for this.
3. Listing your products on WeaverMart does not equate exclusivity ... meaning that you can list your products wherever you want, WeaverMart is just another avenue for marketing your RapidWeaver wares.