What should be the minimum cost for PPC campaign during budget estimation?

That depends on the product’s price and how much the competition is so we estimate the PPC spend accordingly.

The budget estimation for PPC depends on the strategy and the number of campaigns you want to run for your product.

Well!! It totally depends on the market of the product as well as your budget that how much budget you afford for it then you can use it accordingly.

We can determine the PPC spend of the product through the bids on the keywords of that product and through the compeition of the product in the market. With these things we can estimate the budget of the PPC campaigns.

many tools are providing a way to find out the PPC bids on each keyword, you can estimate your budget and cost from it. you can also find out by manual.

The amount of money you can afford to spend on it, along with the market for the product, will determine how you should use it.