AdWords settings for a Black Sea Pension

The main objective of the campaign was to attract people to the site to book numbers for the "May-June" period.
More than 200 keywords.
Adjustment time is 3 days.
The average CTR of the campaign is 20%, taking into account that the ads are displayed in the second place is just an excellent indicator.
On the advertising network of KMC - 0.53%
Showing advertisements for the period of 192,000 units.
The website is 3568.
Key Advertising technology is used to increase the CTR and lower the click price.
Three ads are written on each key and the ad clickability testing function is enabled.
All possible add-ons for campaigns are customized: fast links, details, goods, prices, etc.