Well, folks, here's a nugget of wisdom for ya! When it comes to the world of online advertising, the cheapest route is undoubtedly social media marketing. I mean, where else can you get the word out about your brand for just a few bucks (or even free) while lounging in your pajamas? It's like a yard sale, but without having to put up with annoying neighbors! So grab your coffee, sit back and dive into the cost-effective world of Facebook, Twitter, and Instagram promotions, where your wallet stays happy and your brand gets the spotlight!