I love DC and our families had a great time. 8 guests in all. The townhome was clean and nice.
Close to the Capitol Heights Metro. It was awesome to be able to buy a 7 day pass and not worry about driving anywhere. One word of caution though, take the path the GPS sends you. One adult in our party who arrived ahead of everyone took the Metro from the airport and then decided he knew better and ignored the GPS and took a more circular route to the townhome. He ended up climbing uphill with several rolling luggage bags and a 2 year old in a stroller. We did laugh at him and it will probably be a family story forever. If you take the path the GPS sends you, it is pretty direct, easy and not uphill.
We bought food somewhere in Virginia because my family drove in. I recommend getting paper plates and plastic cutlery. The kitchen is stocked with pots, pans, glasses and coffee cups and mug type bowls. There is no baking pan, so if you want to make cookies. We bought a pan at the Family Dollar store not too far. Also, if you want to use the grill, you will have to buy a propane tank.
I can't think of any other recommendations. Robel was a good host and we may stay again.