If your Google Ads Grant account is underspending despite meeting basic requirements, focus on expanding relevant long-tail keywords with low competition and consider using broad match types while managing search terms with negatives.
Improve ad strength in RSAs and ensure strong alignment between keywords, ads, and landing pages to boost Quality Score.
Utilize Dynamic Search Ads (DSAs) tied to SEO-optimized pages and create separate campaigns for different services or content areas. Finally, set your daily budget close to the $329 limit to fully leverage the $10K grant.