I go to your site but it is countdown mode so i can’t check it.
1. If you use woocommerce 1.9 i don’t sure it works correct. But i suggest that you should update to newest version to working correct for all functions.
2. We still try to optimize theme to work better
3. I can’t check your site
4. Your customers can register partner package. This is document
5. You can see document below
6. We now provide 4 payment methods: Submit form , Paypal, Stripe, Payfast. You can read document below:
7. You can contact hosting provider to create backup point.