Oh honey, yes - with 650 conversions in 30 days, you've got more than enough data. Google's happy with 15-30 per month to let the algorithm have its fun, and you're clocking 21 daily. That's practically a party.
But before you flick that switch, let's talk about what those conversions actually are. Are these warm, fuzzy, real-deal booked-and-paid appointments? Or are we talking softies like phone calls, contact page visits, or someone clicking "Directions" because they fancied a wander past your shop? Because if it's the latter, your campaign's going to optimise for window-shoppers, not buyers.
If those 650 are clean, hard conversions - actual paying, walking-through-the-door customers - then go for it. Set your target CPA to whatever your current average is. Or, if you're feeling generous, give it a 10-15% buffer. Think of it as breathing room, not a pay rise for Google.