You don't have to spend a dime
Are you complaining to your broker that they aren't giving you enough leads?
If you are, I wouldn't be your broker.
What are you going to do to buck the trend of losing potential customers to new home construction, Redfin, Purple Bricks, Zillow, Movoto, Offerpad, Homes. com, and on and on?

The first thing you're going to do is get to work. You can start increasing your exposure online so potential customers can find you where they're spending time, and that's online.
Watch my video about how you can use free online tools to get started.