[...Hm.]

I don't need strength in particular, but if you wouldn't mind working part time in my shop for a few days to pay off the price... I can accept that.

[Usually Rin isn't the type to trust others with her shit, but desperate times call for desperate measures. If she has him running the sales floor she can make more product uninterrupted or keep her shop open while she works a second job to secure funds for more ingredients.]