I agree social capital is important, @SBSL-Founder-SJ. And that relationships are really critical. We explored a bit about both here. Check it out!

How to Keep Customers Smiling Even When Things Go Wrong

Working with Suppliers: Be Prepared – and Get Ready for Give and Take (Part One)

Employees on Your Mind? Some Hints Before You Hire

WATCH: Hiring Employees -- Two Small Businesses Share Tips!

Can you share some specifics about how you build "strong width & depth based relationships"? We'd love to know more about what works for you!