Research shows that wearing your mask, and opening the front passenger window, and the window behind the driver seat helps to reduce the spread of the novel coronavirus in your vehicle. See this NY Times article.
I'm looking to transport 10 medium size boxes and medium size speaker with someone who's driving to Florida from Cali. I'm very flexible on time, as long as it gets there by the end of August. I'm willing to pay $300. Please let me know if you are interested.