Here are 30 more legitimate uses for an old Gmail account you own:

1. Separate email for online shopping
2. Travel booking inbox
3. Freelancer portfolio contact
4. Client communication
5. Project-management notifications
6. Website contact address
7. Domain-registration notifications
8. Hosting-account notifications
9. Software-development alerts
10. Git repository notifications
11. Cloud-storage notifications
12. Newsletter publishing
13. Community announcements
14. Volunteer-project communication
15. Professional networking
16. Conference registrations
17. Webinar registrations
18. Online-course enrollment
19. Digital-receipt storage
20. Warranty notifications
21. Product-registration emails
22. Appointment reminders
23. Household-service notifications
24. Rental-property communication
25. Job-application correspondence
26. Resume/contact address
27. Personal finance notifications
28. Subscription management
29. Backup inbox for accounts you control
30. Long-term email archive