Hi all- Sorry for asking and posting so many questions lately. Trying to get a feel for all of this. My newest frustration is my Alpha Trak2. I just got it last week. Done numerous tests. Yesterday morning accidentally had a fur shot. Have no idea how because I'm so careful. Anyways, Rufus' bg was 607. I was kind of worried because yes that's high. Last night around 5 I did another test. 658. Out of curiosity I called the emegency vet about the numbers and they were freaked out and told me to come in. I get there, after his stress in the car (which may or may not raise bg), and they get him at 533. Ugh. By no means is 533 great or significatnly better, but wow waht a difference. I read somewhere there is a 20% allowed variance. That is HUGE! Just now I do an other test. 486. Ugh. Seconds later I try another test strip. 388. WTF?!? Now I've wasted another dollar for that. So anyways, I'll give Alpha Trak a call tomorrow, but they'll probably say that it's acceptable. My concern is when he gets into normal levels (please for the love of God soon), that how can I trust that his numbers are "correct"? Any advice or is it is what is is? Are human devices more accurate?