If you invest $1000 today and retire at 65, it is expected to grow to $13,000.
If you put in $1000 today and $100 every month until 65, it’ll be around $275,000.If you put in $1000 and add $380 every month, you’ll hit a million. Your contributions will be about 200k, and the other 80% ($800,000) is from compounding interest.