Explain to them that they need to plan their schedule to allow for at least 2 hours for SFI on their work days, as much time as they can on non-working days. That way they can do the Affiliate page dailies, and study LaunchPads, etc., on non-working days.
It may take them a little longer to reach their goals, but it can be done if they stick to their plan.
Tell them to have patience with themselves, remind them that steady activity will get the job done.