META Ads advertising costs depend on many factors. Ad locations, ad formats, product or service type, creative used, and industry competition all play a key role in estimating the optimal budget. Brand recognition also influences advertising prices – does a given brand inspire trust, or does it attract "early adopters" who should be prioritized?
It's worth remembering that the question of how much META Ads advertising costs typically shouldn't concern the total amount of funds available for investment, but rather the cost of customer acquisition. Businesses should precisely understand their operating margin, how much they can effectively allocate to acquiring another user, and how this relates to the margin of a given product or service in the context of their entire product range. Therefore, you need to reverse the question from "how much does advertising on META Ads cost?" to "how much can they allocate to acquiring one customer, and how many such customers do I want to acquire from Facebook?" With this specific calculation, you can approach an agency and ask if it's possible, and an experienced specialist should provide a preliminary assessment of the feasibility of the given assumption.