While I appreciate the somewhat valuable information, there is no need to freak out sir. You could have gotten your point accross without being rude.
I use a hydrometer to get my OG anf FG to determine my ABV, but I've actually never had a bad batch, so no I haven't "been wrong more than..."...
Hello more experienced home brewers,
I have a batch of cherry wheat beer that has been in secondary for almost two weeks at around 72 degrees. I have made several batches of wine and beer in my three years of brewing and I have never had difficulty determining when fermentation is...