[It is entirely a choice of Lina's, but she's not about to pry into Ritsuka's circumstances, no worries.]

Wait, wait, wait, you've never gotten...oh, dear. [Lina puts her hand to her forehead in mock despair.] You always settle payment before you begin the job. At least get half as a down-payment, y'know? Way too easy to get burned otherwise.

[She puts down her glass, and leans forward.] Listen, you seem like a smart cookie, so if it's haggling tips you need, I'm your gal. I got all kindsa lessons I can pass on. I'll even throw in a discount on account of me being so nice; I'll knock a quarter off my usual teacher's fee!

[She waves her hand in a gesture of entirely insincere humility.] I know, I know, generous right?