1. Create a Professional Website: Develop a user-friendly and visually appealing website that showcases your product. Include high-quality images, detailed product descriptions, pricing, and purchasing options. Make sure your website is responsive and optimized for both desktop and mobile users.

2. Search Engine Optimization (SEO): Optimize your website for search engines so that it ranks higher in search results when users search for related keywords like "drywall sander" or "Power Action DS800." This can increase organic traffic to your website.

3. Online Marketplaces: List your product on popular online marketplaces such as Amazon, eBay, Walmart, or Etsy. These platforms have a large user base and can significantly expand your product's reach.

4. Social Media: Create and maintain active social media profiles on platforms like Instagram, Facebook, Twitter, and LinkedIn. Share engaging content, images, videos, and customer reviews related to your product. Paid advertising on social media can also help target specific demographics.

5. Content Marketing: Start a blog or create informative articles/videos related to drywall sanding, home improvement, or DIY projects. This can establish you as an authority in the field and attract potential customers to your website.

6. Email Marketing: Collect email addresses from interested customers and send out regular newsletters showcasing your product, promotions, and relevant content. Email marketing helps keep your audience engaged and informed.

7. Pay-Per-Click (PPC) Advertising: Run targeted PPC ads on platforms like Google Ads or Bing Ads. These ads appear at the top of search engine results and can drive immediate traffic to your website.

8. Influencer Collaborations: Partner with influencers or bloggers in the home improvement or DIY niche to review and promote your product. Their recommendations can carry significant weight and introduce your product to a larger audience.

9. Networking: Attend relevant trade shows, exhibitions, and industry events to showcase your product to potential buyers, distributors, and retailers.

10. Customer Reviews and Testimonials: Encourage satisfied customers to leave reviews and testimonials on your website and other platforms. Positive feedback can build trust and credibility among potential buyers.

11. Customer Support: Provide excellent customer support to address inquiries, concerns, and issues promptly. Happy customers are more likely to recommend your product to others.

12. Leverage Local SEO: If you have a physical store or serve a specific geographic area, optimize your website for local SEO to ensure that your product is visible to users searching for drywall sanders in your region.

Remember that building a strong online presence and effectively marketing your product takes time and effort. Combining a variety of these strategies will help you reach a wider audience and increase the chances of selling your POWER ACTION DRYWALL SANDER DS800 successfully.