Always wash everything you buy. Unless you want factory dust and chemicals in your food. I expect you'll need a warehouse soon, because I expect their will be everyone asking you to review products, even nothing to do with food. Never appealed to me. Yes you use less oil, but the products are already pre cooked and laced with hidden oil, so bit more will make little difference to health. Not thought about it much, but, having 2 channels, may reduce overall reviews. In my opinion you want same viewers watching both, so having it all on one channel you will. Most youtubers unless earning millions don't bother. Just my opinion. Besides the thumb nail tells you what the video is.