Scalable Gmail Account Creation Method

I'm looking for a scalable method to create unlimited Gmail accounts without phone verification. These accounts will primarily be used for email marketing campaigns and cold outreach.

Requirements:
- No phone verification barrier
- Scalable process for mass account creation
- Daily account creation without issues

Ideal Skills & Experience:
- Expertise in automation and account creation
- Familiarity with Gmail and email marketing
- Problem-solving skills for scalable solutions

Please provide a detailed plan and any relevant experience.