A good time to increase spending is when a campaign is bringing in steady conversions at a cost that is still profitable. If you're getting consistent leads or sales and your ROI is holding up, it could mean the setup is working well. Also, if your tracking shows that most clicks come from quality placements, it may be a sign that scaling can work. Another thing to check is your daily cap. If it keeps running out early in the day, it might help to raise the budget slightly to catch more of the good traffic. What other signs do you think show it’s time to scale a pop campaign?