Mudville Flats is a great option for the budget traveler, with very reasonable rates, but there are some caveats. Below, the pros and cons.
+The rooms are lovely, particularly if you're into an older, Victorian feel, with surprising details.
+The bed may have been the most comfortable we've ever slept on.
+Location puts you very close to the Gaslamp, and within a short drive of everything from Old Town to Coronado to Balboa Park.
+Free parking certainly comes in handy.
+It's very reasonably priced.
-Mudville Flats is listed as a B&B. As they do not serve breakfast, this is a misnomer. It's more like a boarding house.
-The location is very near a fire station. Bring earplugs.
-The bathroom could be a huge problem: It's very small, inconveniently laid out, has few places to put towels and toiletries, and has a claw-foot tub that is so high, I can't recommend that any elderly person stay there. I whacked my foot trying to get in it (and I'm in my thirties).
-The room, while large, also has few storage options. There are no shelves or drawers, so where you'll store your socks is a mystery.
-Do not be fooled by the "fireplace." While we certainly didn't expect an actual wood fireplace, we did at least want flames. Theirs is an orange light behind frosted glass.
That said, while I probably would not return, I would still recommend it to the budget-conscious traveler.