Becoming a monopoly in a saturated and competitive market is a challenging task, especially in Tier one countries where competition is fierce. However, it is not impossible. Here are some strategies that can help you work towards achieving a monopoly-like position in such a market:

1. Differentiation and Unique Value Proposition: Identify a unique selling point or value proposition that sets your online service apart from competitors. Differentiate your offering by providing a service that is superior in quality, features, or customer experience. For example, Netflix became a dominant player in the streaming industry by offering a wide selection of high-quality content and a user-friendly interface.

2. Target a Niche Market: Instead of trying to cater to everyone, focus on a specific niche market that is underserved or has specific needs. By tailoring your online service to meet the unique requirements of this niche, you can gain a competitive advantage. For instance, Shopify initially targeted small businesses and entrepreneurs with their e-commerce platform, which eventually led to their dominance in that market segment.

3. Continuous Innovation: Stay ahead of the competition by constantly innovating and improving your online service. Regularly update features, introduce new technologies, and adapt to changing market trends. This will help you maintain a competitive edge and attract customers away from your competitors. Amazon, for example, has consistently expanded its services and introduced new technologies like Amazon Prime, Alexa, and Amazon Web Services to dominate various sectors.

4. Strategic Partnerships and Acquisitions: Collaborate with strategic partners or consider acquiring complementary businesses to strengthen your position in the market. This can help you expand your service offerings, reach a wider customer base, or eliminate competitors. Facebook's acquisition of Instagram and WhatsApp allowed them to consolidate their position in the social media and messaging markets.

5. Build a Strong Brand: Invest in building a strong brand identity that resonates with your target audience. Focus on creating a positive reputation, delivering exceptional customer service, and fostering customer loyalty. A strong brand can help you differentiate from competitors and attract customers even in a saturated market. Apple, for instance, has built a loyal customer base by consistently delivering innovative and high-quality products.

6. Pricing and Cost Efficiency: Consider your pricing strategy carefully. While it may be tempting to undercut competitors, it is essential to ensure your pricing is sustainable and allows for profitability. Additionally, focus on optimizing your operations and achieving cost efficiency to maintain a competitive advantage. Walmart, for example, has become a dominant player in the retail industry by leveraging its cost leadership strategy.

7. Network Effects: Aim to create network effects within your online service. Network effects occur when the value of your service increases as more users join. This can create a barrier to entry for competitors and make it difficult for them to attract users. Social media platforms like Facebook and LinkedIn have successfully leveraged network effects to establish their dominance.

Remember, achieving a complete monopoly may not be feasible or desirable due to regulatory constraints. However, by employing these strategies, you can aim to establish a dominant position in a saturated and competitive market. Adapt these strategies to fit your specific industry and target market, and continuously monitor and adapt your approach based on market dynamics and customer feedback.