Heidi is great. Her work is top notch. Expensive maybe, but she'll treat you right, especially if she does a big job for you and you need some smaller alterations done later. I took a friend's wedding dress in for a massive alteration and she did a beautiful job, hand sewing all the beads back in place, and without cutting an inch. She also had some suggestions that made it fall better. The dress looked beautiful on the day!
Pros: and its by the dilly deli and a salon. make you errands fun.
Cons: mariemont is a little out of the way for some folks.