E-books:
Power 4 $750 ($500 each if you buy them all)
Knockback 2 $500
Feather Falling 4 $1000
20ish miscellaneous books $500

Tools:
Eff5 Unb3 Silk D-pick $8000
Eff5 Unb3 For3 D-pick $8000

Diamonds $35 each at my shop, Station 21.