Unfortunately the activation date isn’t changeable to an earlier time once selected :
https://www.koodomobile.com/en/help/ordering-online
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Heads up!
- For this subscription-based service, your card will be charged monthly.
- Due to third-party involvement, we’re unable to change your activation date to an earlier time. If you’d like to postpone your activation date, please go to Koodo Assist to schedule a callback with a rep.
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You should be able to get some data add-ons that aren’t $18 / 500MB. The standard overage rates are quite expensive but Koodo has numerous data add-ons you can ask about.
Are you talking about mobile data or home internet?