

If this is accurate, “…who is constantly picking on Lena for the slightest things, calling her weird, screaming at her in social situations and in athletics, saying she is useless…” then no.
This is a good opportunity to explain to your fam that this is not okay, and what she should do to distance herself from this manipulative and abusive person.
It starts with her self esteem.
Last heard (a few months ago) the cost is in storage. The protocol isn’t too complicated now, but it generates a shit ton of data, and IIRC you need a minimum of 3 copies.