At Adorama, buy one Flashpoint Camera Battery and get a second one for free. Plus, most items qualify for free shipping. With prices starting at $5 for two batteries, that's tied with our June mention as the best offer we've seen on Flashpoint batteries from Adorama, yielding several price lows. A couple best bets, both with free shipping:
2 Flashpoint LP-E5 Batteries for Canon EOS Rebel XSi (pictured) for $12
I've been giving financial advice for 40 years, and I'm a millionaire several times over. Here are the 10 best bits of financial advice I've both given and taken.