TPT gives a 5% discount at checkout on everything in the store via the code BTSBONUS25.
The Lessons of Phyz big bundles are discounted an additional 20%, so 25% total discount in all. Which big bundles? Well, there are 70 of them, so I won't be able to list and link them all here. But ... the ones that will be useful all year long and the classroom curriculum ones (their titles begin, "A Bundle of Phyz").
I hope you find something in there to your liking.