In conclusion, optimizing your ad campaigns is essential for achieving the best results in digital marketing. By adopting these five hacks—data-driven decision-making, retargeting, ad scheduling, negative keywords, and ad extensions—you can fine-tune your campaigns, reduce wasteful spending, and ultimately drive better ROI. Keep in mind that optimization is an ongoing process, and staying vigilant in monitoring and refining your ad strategies will lead to continued success in the competitive world of online advertising.