i need to refleatch my arrows and or buy new arrows first thing when i got my bow i got some cheap carbon fiber arrows to shoot with are those ok to with or should i go get some high priced or better arrows i have always had goo groups with these arrows even split one all the way done

so should i just refletch these or buy new
also i use quickspin vanes love them never used any thing but i was going to stick with those but have seen the new quickspin st quick hunter they say the tougher and better group any thought should i go with them or just stick with the orgianls