Buy about 20 ten-sided dice to use for tracking monster damage. Don't try to use the included damage chips, as they will quickly spiral out of control.

I quite like these red ones, as they keep the same general style:

https://www.amazon.com/Chessex-Dice-Sets-Opaque-White/dp/B003WZL2KW/ref=sr_1_2?qid=1580105546&sr=8-2

Don't fall for the helper app hype. Enjoy this huge, fiddly game in all its physical glory.