To effectively send multiple offerings using Sales Navigator, follow these steps:

1. Determine your target audience: Use the advanced search filters on Sales Navigator to identify your ideal prospects based on specific criteria such as industry, job title, company size, and location. Narrow down your search to create a list of potential prospects.

2. Craft personalized messages: Avoid sending generic messages to all your prospects. Take the time to research each prospect and tailor your message based on their needs, challenges, and goals. Personalization can help you stand out and grab their attention.

3. Use InMail wisely: InMail is a valuable tool, but it's important not to spam your prospects with irrelevant messages. Be respectful of their time and make your offering clear, concise, and customized. Show that you have done your research and understand their business.

4. Utilize the Saving feature: Sales Navigator allows you to save leads for later follow-up. As you identify prospects but might not be ready to send an offering immediately, save them to a lead list. This can help you stay organized and ensure no lead falls through the cracks.

5. Leverage TeamLink Connections: If a colleague or connection in your network has a relationship with a prospect, utilize the TeamLink feature to leverage their relationship and ask for introductions. Personal introductions can often increase the chances of getting a response and build credibility.

6. Schedule follow-ups: Keep track of your interactions and schedule follow-ups to maintain momentum. Sales Navigator provides reminders and notes features that allow you to add relevant details about each prospect, track previous conversations, and set reminders for future touchpoints.

7. Monitor engagement metrics: Pay attention to engagement metrics provided by Sales Navigator, such as InMail response rates and profile view insights. This data can help you evaluate the effectiveness of your offerings and fine-tune your approach.

8. Iterate and optimize: Sales Navigator offers a wealth of data and analytics. Use this information to identify patterns, understand what works and what doesn't, and make data-driven adjustments to your offering strategy. Continuously improve and iterate based on the feedback you receive.

Remember, sending multiple offerings should not equate to mass spamming. Instead, focus on quality over quantity, and ensure that your messages are personalized, relevant, and targeted.