>Could you please let me know if.
>
>a) this is possible
Sure.

>b) can I do it will no add ons
Yes, but you'd be silly to try and write all the stuff yourself, when you can get a web based framework for a few hundred bucks.

>c) can you integrate online payments facilities
Yup.

Also, you really should consider upgrading to VFP 6. There's lots of cool new stuff, but more importantly, the new products out there might not offer support for VFP 5.