I didn't use Bootcamp or Kaplan, but I used the Destroyer and Chad. Destroyer was good practice for gen chem, o-chem, and biology (not so much the QR). Math Destroyer was good for the QR. Chad was flippin' awesome.
I posted a breakdown a couple months ago with some study advice, and I'll copy and paste it here because I still stand by what I said.
"Study advice:
1. Study the way you feel comfortable, but keep it reasonable. I'm a strong believer in writing down things to retain them better, but this wasn't working for me while I was studying for biology, at all. During the first week, I was spending 3-5 hours on biology alone... not good if you have a busy schedule and have a crap ton of other stuff to study. This led me to drop biology altogether for a couple of weeks (procrastination) and caused a cascade of other problems. If I could go back in time, I would have done my studying a lot more differently. I eventually bought myself an early "good score" gift - an iPad (if I did well, I get to keep it - good incentive to study) - and downloaded a flashcard app and used that to type up biology flashcards. A lot more efficient and better.
Also for the record, I only went through DAT Destroyer once, but the ones I missed/were fuzzy about twice. I read a lot of breakdowns where people went through the entire thing 2-3 times... I don't think that's necessary. Just mark the ones you miss or feel uncomfortable with, then redo those. Why do the ones you already know how to do? Chances are you'll get them right the second time.
2. DO. NOT. PROCRASTINATE. You will eventually hate yourself. I consider myself a "professional procrastinator" and eventually ended up procrastinating, but this came with an emotional break down and a sobby phone call to my parents while in an upright fetal position on the bathroom floor. DON'T DO IT!
3. If you feel like you need to reschedule, DO IT!!! So after that depressing phone call, I rescheduled my test to 1.5 weeks after my original test date. The cause of this, like I said, was procrastination. I freaked out in the cafe while studying biology and started tearing up because I knew I wasn't going to be ready in time for my original date. Went home and rescheduled. It cost me $60... but what's more expensive? $385 for the test + subsequent studying materials, delaying your test by another whopping 90 days, or $60 and 1.5 weeks? I don't regret rescheduling one bit.
4. Don't be concerned with practice test scores. Being in a testing environment is a lot different than sitting at home in your PJ's with one leg propped up on the chair. The focus is different and the mentality of needing to do well is enhanced (at least in my case). My one and only Topscore exam was abysmal... but I looked past that.
5. Surround yourself with positive people. I have an amazing roommate and an absolutely amazing boyfriend, both of whom stayed by my side the whole time, watched my emotional breakdowns and mental break downs (both of which happened often) and told me that everything would be okay... without my friends, roommates, and the best boyfriend in the world, I wouldn't have been able to make it through.
6. Don't be afraid to take rest days. There are just some days where studying will only make your day worse. I had about 4 of these days during the 2.5 months. It's okay. Don't punch yourself in the face for taking a few rest days. You need them to be more focused the following day.
7. Don't put yourself down. That's the first step to failure. If you don't believe in yourself, then you're already one step behind when you walk into that test room. Tell yourself that you can do it. You studied hard over the last few weeks/months and you know your ****. Walk in with a can-do 25+ attitude."
Good luck on your second round! I have a feeling you will do awesome.
