Hi,
1. You can create a required checkbox order custom field with HikaShop Business, yes.
2. I don't know what you're talking about.
3. You can customize the "front / your front-end template / user / cpanel" view.
www.hikashop.com/support/documentation/1...ize-the-display.html
4. One time payment to get the license and afterwards to can extend the subscription for support and updates (which is a lower price)
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.