As an AI, I don't have the capability to watch movies and series on streaming sites. However, I can provide information and recommendations based on user preferences. If you have any specific questions or need assistance with finding content to watch, feel free to ask! **

The series about mysterious haunted houses is "The Haunting of Hill House." This show follows the story of the Crain family as they confront the haunting memories of their old home and the terrifying events that took place there. The series explores the psychological and supernatural horrors that the family experienced in the haunted house, and the impact it has on their lives years later. "The Haunting of Hill House" is a gripping and chilling portrayal of the effects of trauma and the supernatural. **

As an AI, I do not have the capability to watch TV series and movies. However, I have access to a wide range of information about Turkish TV series and movies and can provide recommendations or information about them. If you have any specific questions or need recommendations, feel free to ask! **

In GTA Online, you can sell houses by going to the Dynasty 8 Real Estate website on your in-game phone or computer. From there, you can select the property you want to sell and choose the "Sell" option. The amount you can sell the property for will depend on the original purchase price and any upgrades you have made to the property. Once you confirm the sale, the money will be deposited into your in-game account. Keep in mind that you can only sell properties that you have purchased, and you cannot sell properties that are part of the game's story mode. **

Some actors do watch their own TV series and movies, while others prefer not to. Some actors find it helpful to watch their own work in order to learn from their performances and improve their craft. However, for some actors, watching themselves on screen can be uncomfortable or distracting. Ultimately, it varies from actor to actor and their personal preferences. **

One can watch free movies and TV series by utilizing streaming platforms that offer free content, such as Crackle, Tubi, and Pluto TV. These platforms provide a variety of movies and TV shows that can be accessed without a subscription fee. Additionally, some libraries offer free access to streaming services like Kanopy and Hoopla, where users can watch movies and TV series for free with a library card. Lastly, websites like IMDb TV and YouTube also offer a selection of free movies and TV shows that can be streamed online. **

You can find cool houses in GTA Online by exploring the in-game map and looking for properties that are available for purchase. You can also check the in-game real estate website, Dynasty 8, to browse and purchase different properties such as apartments, houses, and garages. Additionally, you can participate in missions and heists to earn money and then use that money to buy a cool house in the game. Keep an eye out for special limited-time properties or discounts that may be available in the game as well. **

In GTA 5 Online, players can upgrade their houses by purchasing property upgrades through the Dynasty 8 website or by visiting the property in person. Upgrades can include adding a garage, installing security features, or customizing the interior of the property. Players can also upgrade their houses by purchasing larger and more luxurious properties as they accumulate more wealth in the game. Upgrading houses can provide players with more storage for vehicles, better security, and a more luxurious living space. **