Getting glassware delivered to your house is less of a concern than getting chemicals delivered to your house. I don't pretend to know anything about the DEA's policies regarding investigations, but I think they are not interested in some obvious amateur buying a distillation kit so much as they are in the guy buying 5L reaction vessels, bulk solvents, a whole mess of organic glassware, and other things beyond the realm of amateur scale things. Hopefully they have bigger fish to fry than some responsible enthusiast teaching his kids in the privacy of his own home, but maybe they don't want that either. I would imagine that they look for combinations of glassware and certain chemical purchases before even beginning physical surveillance that would lead to a warrant.
Let's put it this way; it is exceptionally difficult to remain a law-abiding citizen while performing amateur chemistry at home (and apparently physics too according to recent news on SMDB). Why is this so? Quite simply this: there are so many laws on the books regarding chemical storage, right-to-know laws, and even glassware laws (for deterring drug cooks). Thus it is quite likely that you will, at some point in your good-natured, well-intentioned, legitimate inquiry into science be at odds with the law. Most likely it will be a law designed to protect you from yourself, or others from you. Despite pursuing what should be a God-given natural right than any free person should enjoy, that is, the right to inquiry without harming others or the environment, you may still be legally liable. This is because some people have ruined the good name of science at home (and science at large, in my honest opinion). Indeed, it is a sordid state of affairs and is quite unfortunate. It is no longer an acceptable hobby, like it once was in the 50s when a teenager could go to the pharmacist and source all manner of reagents. Try that now, and you've just sourced yourself a hefty investigation into your character and intentions while guaranteeing a permanent file with the authorities. Upsetting as it is, amateur scientists must either cope with the risk and hope to avoid persecution, pick another hobby, or satisfy their intellectual curiosity studying the literature and pursuing a college degree. Education at home is bad. The authorities feel that way because they see things in terms of cost and benefit (as they should). After all, this is a world of terrorism, designer drugs, fragile environments, and all manner of evils.
Being blunt, I would say that any person considering chemistry at home should do so with the expectation of trouble at some point. Whether that trouble amounts to (at the minimum) a cease and desist order and confiscation of your dearly bought property and emotional damage of having people rummage through your home looking for things to prove a case that shouldn't exist, or at the worst, a felony conviction for "intent to" do something (which seems odd, as people still buy firearms and bullets all the time and they intend to shoot them).
I think there is plenty of legitimate and interesting science that can be done at home safely, but I don't think it can be done without violating some code or law by virtue of the sheer size of the corpus of laws.