In Canada, external hard drives of 8-20TB capacity show up every now and then for a rate of C$20/TB (US$14.50) so it won't take more than 3 months to offset that cost. As a backup, online s3 storage might be reasonable.
E - Speak of the devil: https://lemmy.ca/post/23948873
Rustic is the closest English word I'd put to this concept, which to an extent exists in the West.