I interpret the message as be careful launching instances in different regions. Because you can only see one Region at a time in AWS EC2 dashboard. So you may forget to turn OFF the system which means it will keep charging. I only use ONE Region. Currently that’s “us-west-2” Oregon. But Any region that has the FastAI AMI will do. Just stick to one Region. Check the pricing here - https://www.ec2instances.info/
Couple of useful links -
- Intro Wiki - Wiki thread: Intro workshop
- Lesson 2 Wiki for AMIs setup - Lesson 2 In-Class Discussion
Hope this will get you started. Please feel free to reply here and one of us (your fellow learners) will try to help.