As an individual who’s embarked on the journey of beautifying my outdoor space by employing a patio installer, I learned a great deal. To my surprise, the process was far more intricate, both theoretically and practically, than initially anticipated. Hence, I deemed it essential to impart some wisdom about the crucial aspects I wish I had known prior to hiring a patio installer.

• Knowledge of Different Patio Materials: Understanding the kind of materials your patio installer uses is essential. Each material comes with unique features, benefits, and drawbacks. The commonly used materials are concrete, brick, natural stone, and pavers. For instance, while natural stone offers a beautiful, rustic look, it could be costlier compared to concrete. It's worth noting that Patio installers specialize in different materials, thus your choice of material would inevitably steer your choice of installer.
• The Importance of Adequate Drainage: The criticality of an appropriate drainage system is often underestimated. The absence of effective drainage may cause water pooling, leading to patio damage or worse, structural damage to your home. Your patio installer should be conversant with creating subtle slopes and using permeable materials to ensure effective water runoff.
• The Installer's Experience and Reputation: A patio installer's experience often correlates with the quality of work delivered. It's beneficial to conduct some research on the installer's past projects, customer reviews and overall reputation. The Pareto Principle, often referred to as the 80/20 rule, could be applied here; approximately 20% of the patio installers will likely have 80% of the experience and positive reviews.
• Understanding the Contract: A contract is not just a formality; it's a legally binding document that lays out the project's scope, cost, timeline, and other significant aspects. Before signing, ensure you understand all the stipulations and that they align with your expectations.
• Seasonal Factors: The timing of your patio installation can impact the project's cost and timeline. Weather conditions, particularly in colder regions, can affect the installation process. Also, you might find that installers are busier during certain times of the year - the principles of supply and demand in economics apply here.
• Maintenance Requirements: Different patio materials require different levels of maintenance. For instance, wood requires regular sealing and can be prone to termites, while concrete might crack over time. An awareness of these factors aids in making an informed decision when choosing materials and understanding long-term costs.
• Post-installation Services: Some installers offer after-installation services such as sealing, cleaning, and repairs. These services can be a significant advantage in maintaining the aesthetic and functional integrity of your patio.

In conclusion, hiring a patio installer requires a nuanced understanding of several factors. It's far from a simple transactional process; it's an investment in enhancing your home's aesthetic appeal and functionality. Having an understanding of these seven points before hiring a patio installer can lead to not only a more beautiful patio but also a smoother installation process and potentially significant cost savings.