Act as a seasoned sales strategist with 10+ years of experience in B2B sales to both startups and enterprises. Provide a detailed comparison of the key differences in selling to startups versus enterprises, including [TARGET AUDIENCE], [SALES CYCLE LENGTH], and [DECISION-MAKING PROCESS]. Highlight the unique challenges and opportunities for each, such as [STARTUP PAIN POINTS] like limited budgets and agility, versus [ENTERPRISE PAIN POINTS] like complex procurement processes. Offer actionable tips for tailoring your pitch, building relationships, and closing deals effectively in each scenario. Use real-world examples where possible to illustrate your points.