Perfect spelling, punctuation and grammar is vital — you can quickly lose a customer's confidence in your business with poor spelling etc.. (datingfactory.cz)
But your business reputation is too important to lose out over poor spelling. (entrepreneur.com)
I feel like my post would have been better if I had proof read it, but if you overlook the missing letters / poor spelling hopefully it gets the point across. (religion.blogs.cnn.com)