Morning time: Pinkie Pie heads out the door carrying her bags around her as she's prepared for a party cake. Since she's the master of haggling, she's determined how much she can get with the fewest bits. Her motive is also to train Fluttershy into haggling and not be a doormat (even with the hostile moment how Fluttershy turned out from those training sessions). She's fixed. She's not going to be the bully again.
She meets Fluttershy at the market to show how things are done. First, is the cherry stall run by a large stallion. "I'll show how Pinkie Pie does the job." *cuts to the deal* "One bit, thank you". Fluttershy was surprised, especially compare to the last time. "See, it just takes a little trick."
They two visit every stall on the market. She needed the cake flour, sugar, and different fresh fruits. She visits stall to stall and even performing the "wabbit season trick". "Two bits" "One bit and that's final" "Thank you!" "Oh, my... I don't know how you do it," confusing Fluttershy. "5 bits it is" Taking the sugar with her. "...I... never paid that little". "hihi, why do you try what you needed." "Try threatening too." As Pinkie Pie advises her.
Fluttershy starts out with the lettuce stall. "That's 20 bits for the head", says the vendor. "uh...it was 10 yesterday and... I think you chaged 10 few minutes ago." "Take it or leave it." Fluttershy performs a threat and a death glare demanding the reasonable price. "...uhh...okay, 10" "I'll pay 8 and no more!" "Fine, just... leave..."
"See how easy it is!" As Pinkie Pie explained things as she and Fluttershy got everything they needed. "See ya around, Fluttershy!" Pinkie Pie was able to prepare her ultimate party cakes for her friends.
Just a quick gag story just to fill things in.