Credit card or bank transfer – what ever works best for you. In either case I will issue an invoice
No. Even if you just want to add one person you can do that.
Yes any time after the initial 3 months on boarding period with 30 days notice to the end of the month.
Yes you can add people when ever you like – I will adjust you subscription fee accordingly
Its up to you. You can make the program available to every one, a certain group or a certain department. All I need is a list of names and their emails