Main barrier(often not thought of as a barrier) is lack of demand. People aren't as willing to pay for advice since the prevalence of content on the web(quality notwithstanding).

The path to success in this arena is in transparency and action. Can you provide transparency on both pricing and the solution framework that is to be implemented? Timeline and full details of capital requirements to accomplish the goal?

This is what is missing from most consulting. Too much friction and not enough visibility we have come to enjoy from most digital product/service offerings. When I want to hire an email client, I know exactly how much Microsoft Outlook will cost and what features it has. There are often more complexities to consulting engagements but the customer expectations are the same.