Purchasing the following:

Potion of Invisibility - 300gp

Potion of Speak to Animals

Scroll of Overland Flight (5th)

Scroll of Lightning Bolt (3rd)

Scroll of Detect Thoughts (2nd)

Costs (in order):

300

50

1125

375

150

Total: 2000gp

Done

Thanks. I wasn't even sure there was such a thing as a Potion of Speak to Animals.