I'm scared to cut them wrong and they`ll start bleeding =-L
I totally understand that fear. I cut my dogs nails, and until I bought the clipper with the led light (so I could see the qwik), I used to cut too short many times. We had many whimpers and a lot of blood.
But, since I got the clippers with the led light, I haven't cut any of the nails too short, and I cut all 3 of my dogs, and all 4 of my bunnies, and the bird as well. Not one has bled since I got the led light clippers.
It's a small investment and it will save you a lot of money in the long run. :)