In fact, any large sales leads funnel would necessitate investments in order to be born and managed sustainably over time.
However, if you only need a small number of leads right now, there are simple ways to accomplish this:
- Hand-deliver social media messages
- Send emails
- Build relationships on open networking sessions
- Cold calling
- Upsell to existing customers
True, without investments, this cannot be sustained on a large scale. However, in many cases, it is a good starting point for experimenting with various B2B channels.