Online trading is not illegal, as long as it is done through legitimate platforms and follows all relevant laws and regulations. However, there are risks associated with online trading, such as fraud and market manipulation, so it is important for individuals to be cautious and do thorough research before engaging in any online trading activities. It is also advisable to only trade with reputable brokers and to be aware of the potential for scams in the online trading world. **

No, CO (carbon monoxide) is not as bad as CO2 (carbon dioxide) in terms of immediate health effects. CO is a highly toxic gas that can cause symptoms such as headache, dizziness, nausea, and even death in high concentrations. On the other hand, CO2 is a naturally occurring gas that is essential for plant life and is not toxic to humans at normal levels. However, CO2 does contribute to climate change and global warming when present in excessive amounts in the atmosphere. Both gases should be monitored and controlled to ensure the safety of human health and the environment. **

One can watch old TV shows online by subscribing to streaming services like Netflix, Hulu, or Amazon Prime Video, which often have a library of older TV shows available for streaming. Another option is to check if the specific TV show is available for purchase or rental on platforms like iTunes, Google Play, or Vudu. Additionally, some TV networks have their own websites or apps where they offer a selection of old TV shows for free with ads. **

Many actors do watch their own TV shows and movies, as it allows them to reflect on their performance and learn from their work. Some actors may find it difficult to watch themselves on screen, while others may enjoy seeing the final product. Ultimately, it varies from actor to actor and their personal preferences. **

There are several ways to watch free movies and TV shows. One option is to use streaming platforms that offer a selection of free content, such as Crackle, Tubi, or Pluto TV. Another option is to check if your local library offers a streaming service that includes movies and TV shows. Additionally, some networks and studios release episodes of their shows for free on their websites or YouTube channels. **

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! **

Steam trading cards can be bought online through the Steam Community Market, where users can buy and sell trading cards, as well as other in-game items. Additionally, third-party websites such as eBay and Amazon may also have listings for Steam trading cards. It's important to be cautious when purchasing trading cards from third-party websites to ensure the legitimacy of the seller and the items being sold. **

In Pokémon HG, online trading works by connecting to the Nintendo Wi-Fi Connection or local wireless connection to trade Pokémon with other players. Players can initiate a trade by selecting a Pokémon from their party or PC box and offering it for trade. They can then search for other players who are also looking to trade and negotiate the terms of the trade, such as which Pokémon they want in return. Once both players agree to the trade, the Pokémon are exchanged, and the trade is completed. **