Scale an Advantage + Campaign

Hi all, just wanted to get some advice on how to scale an Advantage + campaign.

Currently have a campaign running on £20 a day and achieving a 10x ROAS. I would really like to scale it but I’m apprehensive as my frequency is 2.2.

I do not want to increase the budget and META to push the increased funds onto the people who already see the ad.

I am using complete open targeting and letting META find the customers.

I’d rather let the ad run until it burns out, than increase the budget for META to send it to those who already see the ad.

Any feedback on what to do here would be greatly appreciated!