Installation and configuration of the script takes less than 5 minutes (however you do need to have SSL and authorize.net merchant account). There are 2 options to pay: first option is that customers can input price themselves and type description, second option you can turn on pre-defined services and customers will select service from dropdown. Features Include: - javascript credit card validations - php credit card validations (for no-js fallback) - comes in 2 versions, with accordion and without - 1 configuration file to edit. - automatic http to https redirection (on/off in config file) - setup services with pre-defined prices (in config file) - option to input any amount by your customers (with description) - and more...