Hi,
You didn't set a product price, you set a "common price" (also called MSRP).
So for the moment, your product is free, because it does not have a price.
And because you don't accept to add free products in the cart, the "add to cart" button does not show up.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.