Here are some steps to build a career in Salesforce.com:

1. Learn the basics: Start by learning the fundamental concepts of Salesforce and the cloud computing platform.
2. Get certified: Obtain Salesforce certification in the areas you want to specialize in, such as Administrator, Developer, or Consultant.
3. Gain experience: Participate in Salesforce projects and gain hands-on experience working with the platform.
4. Network: Attend Salesforce events and meet people in the Salesforce community to expand your network and learn about job opportunities.
5. Stay up-to-date: Stay informed about the latest developments in Salesforce and continue to enhance your skills and knowledge.
6. Look for opportunities: Apply for jobs in Salesforce or related fields and be open to new opportunities as they arise.

There are several types of careers in Salesforce, including:

1. Salesforce Administrator: responsible for managing the configuration, maintenance, and security of the Salesforce platform.
2. Salesforce Developer: responsible for customizing and developing Salesforce applications to meet business needs.
3. Salesforce Consultant: responsible for providing advice and guidance to organizations on how to maximize the value of their Salesforce investment.
4. Salesforce Project Manager: responsible for leading and coordinating Salesforce projects from start to finish.
5. Salesforce Business Analyst: responsible for analyzing business requirements and translating them into Salesforce solutions.
6. Salesforce Architect: responsible for designing and implementing Salesforce solutions that meet the needs of an organization.
7. Salesforce Marketing Manager: responsible for using Salesforce to manage and execute marketing campaigns.
8. Salesforce Solutions Engineer: responsible for designing and implementing Salesforce solutions to meet the needs of customers.

Here are some steps to self-learn the different Salesforce career paths:

1. Start with the basics: Familiarize yourself with the Salesforce platform by reading the official Salesforce documentation and attending online courses.
2. Get certified: Obtain Salesforce certification in the areas you want to specialize in, such as Administrator, Developer, or Consultant.
3. Practice hands-on: Join the Salesforce Trailhead and practice what you have learned through hands-on projects.
4. Participate in online forums: Participate in online Salesforce communities, such as the Salesforce Developer Community, to ask questions, learn from others and share your knowledge.
5. Attend webinars and events: Attend Salesforce-related webinars and events to stay up-to-date with the latest developments and learn from experts.
6. Build real-world projects: Build real-world projects to demonstrate your skills and apply what you have learned in a practical setting.
7. Keep learning: Stay informed about the latest developments in Salesforce and continue to enhance your skills and knowledge by attending training sessions and workshops.
8. Get involved in the Salesforce community: Contribute to the Salesforce community by volunteering for non-profit organizations, writing articles, and speaking at events.

Here is an approximate salary range for different Salesforce career paths:

1. Salesforce Administrator: $70,000 – $120,000 per year.
2. Salesforce Developer: $90,000 – $140,000 per year.
3. Salesforce Consultant: $95,000 – $150,000 per year.
4. Salesforce Project Manager: $115,000 – $180,000 per year.
5. Salesforce Business Analyst: $90,000 – $130,000 per year.
6. Salesforce Architect: $120,000 – $180,000 per year.
7. Salesforce Marketing Manager: $100,000 – $140,000 per year.
8. Salesforce Solutions Engineer: $110,000 – $150,000 per year.

Note: The above salary ranges are approximate and may vary depending on factors such as location, experience, and the size of the company. It’s also worth mentioning that the demand and salary for Salesforce professionals have been increasing consistently over the years.