I've always been a big fan of Ramit Sethi, Author of I Will Teach You to Be Rich. I took his class, Earn1k, when I was a freelance illustrator and fashion designer, and the business advice helped me later start this business. I highly recommend his book and his blog. He has a new entrepreneurship website called GrowthLab and shared this great article:
#2 inspired me to write this post!
"2) Should I blog?
Yes. You must. Blog about everything going wrong in your industry. Blog personal stories that you think will scare away customers. They won’t. Customers will be attracted to honesty."