Specifically, Hamilton, who certainly brings not only theory but a host of practical experience to the table. Note that the grammar and formatting of the post leaves something to be desired. It also tends to ramble a bit. It's almost as if this was rushed out the door for some reason.
I'm not going to link to the specific post (that site has had issues with that in the past), but it is in the public area of the website. I'll now summarize the main talking points.
1. The Part 15 rules are vague, particularly surrounding grounds and ground leads. Only an FCC inspector can give you an opinion as to the legality of a specific installation (and that opinion is ONLY for that installation)
2. If you use a certified transmitter, then you have the right to broadcast under Part 15 rules. The FCC is pro Part 15 broadcasting, and, in most cases, willing to help you adhere to the rules
3. If you are inspected, treat the FCC inspector with respect. You invite trouble if you don't, particularly if the agent has travelled some distance to your site.
4. Keep copies of your transmitter's certification information on site.
5. Only pirates (those who are deliberately breaking the rules) get into real trouble involving fines etc. [that may be overly optimistic, as there have been cases of over zealous FCC inspectors, but for the most part is probably correct].
The post is recent, within the last day (as of this post).
There's nothing in it that hasn't already been said before, both here and elsewhere (including Hobbybroadcaster), but given the prominence of the poster, I thought it was worthwhile summarizing.
Even if you are using a non certified, but compliant, transmitter (which is your right, under the rules), it's probably a good idea to keep relevant technical information on your broadcasting site. That not only demonstrates attempted compliance, but also shows that you know what you're doing.