I finally understand why they give 8 extra tips. I only have the tablet for two weeks and this is the state of my pen tip after using it everyday… I used
Marker Tips | reMarkable
reMarkable 2 Marker Tips refill (25pcs) for Marker Plus Black RM413 - Best Buy
10pcs Pointes de Stylo Marqueur pour Remarkable 2, Maker Pen Tip Remplacement Stylus Nib Peinture Accessoires d'Écriture pour Remarkable 1/2 Pen Tip : Amazon.fr: Fournitures de bureau
Amazon.com: for Remarkable 2 Pen Tips,AHBTEYM Metal Remarkable Pen Tips,Replacement Tips/Nibs Refill Accessories for Remarkable 1/2 Tablet Stylus Pen/Marker Plus/Kindle Scribe Pen-22Pcs(Gold/Sirvel) : Cell Phones & Accessories