Putting it into normal S3 only costs $2.50 a TB. That's very affordable.
To get out of Amazon entirely, they definitely want to gouge you, but it's not the end of the world. If $24 a year is an acceptable storage price, then Snowball export costing somewhere around $36/TB in bulk isn't too awful. (And if you don't have enough data to fill up a snowball, you can probably smuggle it out through lightsail.)
