What support is available to help me get sales cloud up and running?

It includes Leads, Accounts, Contacts, Contracts, Opportunities, Products, Price books, Quotes, and Campaigns (limits apply). It includes features such as Web-to-lead to support online lead capture

Depending on the support needed there is already a technical support within the salesforce sales cloud. But the best support you can get is within the salesforce community, this is where you will get the common fixes on how to make your day to day sales cloud usage smooth.

If you would like to learn more there are available online seminars (Webinars) wherein you can interact with top notch sales force expert and they can answer you questions.