Hello to all. This is my second post on the Monkey, first being my introduction. I have a question to ask about a DIY budget tarp project. I was in my local Aldis food store the other day and came across a large 'Car Cover they had in there that caught my I eye. Always on the lookout for items that are on the cheap and can be re-purposed, I instantly thought 'cheap trail tarp. It is a large car size as it says, 200"x 77"x 60'' or roughly 16.5'x 6.5'x 5', (5' being the depth). It says it is " weather resistant" and water repellent" and is made of "100% polyester". I have no experience with these and really don't know if they are what they say they are. My thoughts were that this is a decent chunk of fabric that has possibilities, with a little modification and maybe some additional waterproofing. I guess my question is how does polyester hold up to waterproofing and trail use. Any thoughts, suggestions, or is this just a stupid idea? Oh yeah, I said cheap, it's $14.99 USDs.