There are pros and cons to live AND F/T.
Both can be safe and dangerous.
Plenty of snakes have died from f/t feeders too.
Personally, live is cheaper for me.
I breed my own and the rats pay for themselves. Just 3 of my dumbos can pay for 2 months worth of supplies. Basically free food for my snakes. The only cost is my time.
Either way, it's all personal preference in the end. You just have to feed responsibly. Be aware and vigilant. If live, there are methods to keep feeding safe. Most serious live feeder injuries come from feeding prey that is too large.
Some responsible live feeding tips:
1) Feed the appropriate size food. I like smaller and more frequent meals than larger and less often. Weanlings and small rats are safe and harmless(to some extent). They're also not as conscious to danger as an adult would be. Adult rats can pack a nasty bite and are much stronger at fighting back, which is why "smaller and more frequent" is the way to go. I feed all of my adults weaned/small rats once a week. And multiple smalls for the big girls. A medium size would be the max appropriate size for a ball python.
2) Keep the feeder well fed and hydrated. They're less likely to see your snake as food. Hungry rats are dangerous rats. They will eat your snake if left unattended for extended periods of time. This is the reason for most snake killing incidences.
3) Don't dangle the live feeder. This puts them in panic mode. A freaked out feeder is a dangerous feeder. Gently place the feeder into your enclosure. Calm feeders are good.
4) Monitor your feedings and keep a tool, such as tongs, on hand to assist your snake in case the feeder tries to bite down. I use a chop stick to stick in the feeder's mouth if its in a bad position.
5) Don't keep the feeder in with your snake longer than 30 mins max or so. Some people have a shorter time frame. If he doesn't eat within that time frame, take out the feeder and save it for next week.
Sent from my DROID RAZR using Tapatalk 2