The 5 Biggest Cannabis Clone Websites to Think Twice About Online Getting cannabis clones online can save a ton of time until the box arrives looking cooked, the tracking stops moving completely, or the company suddenly stops answering emails. As cannabis clone delivery has blown up nationwide, a wave of unreliable operations has followed right behind it. Some sites overpromise and underdeliver. These are five clone vendors that have built a reputation for problems from growers all over the country.