River Hill Sunoco is filled with good and honest mechanics

Maryland used to (apparently still does) charge a sales tax difference between the rate where it was registered and what the current MD rate is. It's an effort to avoid having people but cars in low tax neighbor States, but it seems rather petty to me. It sounds like that's what they're hitting you for

We like Triadelphia Veterinary Clinic, just down the road

SFHs in HoCo have water billed quarterly, so while that seems high it may not be due every month