To effectively use Facebook ads, it's essential to create a strategy that aligns with your campaign goals and targets the right audience. Start by establishing your campaign objectives, such as raising awareness or driving sales, and then determine your budget based on factors like spend per month, spend for the campaign, and length of the campaign. Next, identify your target audience using demographic, behavior, or interest targeting strategies, and capture their details in a template to inform your ad design. With all these factors in mind, establish creative direction for your ads, including placement and format, and be flexible with your strategy as needed to achieve better results.