24. What {are|can be} the {charges|costs} {|involved}?
25. What {are|can be} the {|}initial setup {|}fees and what do you get {|}exactly?
26. What {are|can be} the monthly {|}maintenance fees are what {|}do they cover?
27. Are there any {|}additional {|}charges?
28. {If so,|So} {what|who} are they {and why|}?