If you cannot work with MiniVend without more help, you should engage a consultant to help with integration and administration. The ideal consultant will have a complete understanding of web servers, HTML, databases, and Perl.
The author is sometimes available for consulting on MiniVend, and offers a seminar on using and employing MiniVend.
If you cannot find a consultant, you might post to the mail list and solicit help. Several competent consultants frequent the list and may respond.