You very much don't need to "essentially be a lawyer" to be able to include ads - services like AdMob have easily configurable SDKs for getting GDPR-compliant consent.
It's really no more than a few lines of code to respect user's privacy, and if you're collecting significantly more user data then you should be handling it with care.
It's really no more than a few lines of code to respect user's privacy, and if you're collecting significantly more user data then you should be handling it with care.