Any address, directions and what not would be better off in a PM or better yet in external emails after exchanging addresses thru PMs.
Absolutely. If it turns out to be here, I was planning to handle it similar to what mlord did for his open house:
Email me (xxxxx at yyyyy dot zzz) with your telephone number if you want to attend, and I'll get back to you via email (or by telephone if time is short) with my own address and number.
Substituting valid info for the redacted version above, of course.