With what frequency to take keys for YAN/KMS?

Question

Google Ads

Guys, tell me, with what frequency to take the keys to display on thematic sites? Do I need to parse several tens of thousands of keys?
Let's say there is a key: wireless headset
Does it make sense to show up by key? - wireless headset for iphone

Answer 1

Do the math. For example, the "frequency" of the request is 100. The average CTR in networks will be less than 1%.
In total, you will receive at best 1 transition per month for this key.
So think.