Looks interesting but one concern is by the time the campaign is over, generating the report would clearly show a big drop in traffic since the traffic isn't gradual.
If I was getting 10-20 visits daily and all of a sudden I get 100-200, that is my concern.
How is the traffic spread per day?
As per your requirement the traffic depends, as standard the hits could be 50-300 per day as already mentioned in thread.
And as for your concern even if you run Google Ad the traffic dies as soon as your campaign is inactive.
You have 3 option here,
>Run traffic campaign as much as needed.
>Do SEO, for future purpose so the traffic increases as you gain ranking and visibility
>Publish regular content and share to relevant medium/audience
Hope you found your answer here. Let me know if you have any other.
Regards.