Rex - Here's a recent post that should help address your question on closing costs:
Closing costs on a resale
There will also be costs involved related to a mortgage if you go that route. Those questions can be accurately answered for you by the lender and/or the organization that will be handling your closing.
Here's some info on Guest IDs:
http://www.districtgov.org/departmen...D%20Policy.pdf
Bill