Do You Know Your Customers?

How regularly do you purchase fresh prospect data?
How many data sources do you have? (examples: Salesforce, AMS, Quickbooks, Payroll, etc.)
Would your business be improved if you could integrate data from multiple sources?
How often do you clean and standardize your client data list?
Do you use the attributes of your most profitable clients/customers to find new prospects that look like them?
Do you currently know all the key business attributes for ALL your clients/customers?
How often do you update your client data list with attributes to help you know your clients better?
Would your marketing efforts be improved if you knew more about your clients?
Do you know the lifetime value of your clients/customers?
Do you know the total revenue generated by clients/customers over the last 12 months?