Feeling selfish

We just got some more information on attempts to dilate my mom's esophagus...and I am feeling unbelievably selfish.  We had originally been told Indianapolis was the place to be, but the GI doc said he wanted to check Columbus and Cincinnati as well, and he hadn't even ruled out a local option.  Mom called today and the best place to be...Ann Arbor, Michigan.  This location is 4-1/2 hours away from my kids and three hours from my Mom's home.  She is ready to move forward full steam ahead, and I feel a little bit like I rained on her parade.  I will of course do whatever we need to do, but I recognize we are now looking at travel and overnights away.  We don't have friends here like we did in our former community, and it's going to be tough with the kids.  Not to mention the added expense of hiring someone to help with Thomas before school, the added expense of a motel stay, the added expense of the gas and wear on my vehicle, and the added expense of the meals while gone.  I think the reason this is upsetting me so is my sister.  She lives less than two miles away from my mom, yet through everything she has been to ONE doctor appointment and transported Mom to her radiation or chemo treatments twice...and the chemo treatment she just dropped her off and went back.  I know that my sister has a full time job and I'm not working, but her full time job is working for herself as an attorney.  I understand not working means no income, but at the same time there are so many things she could do from anywhere.  I can't transport my kids or see their activities from 4-1/2 hours away.  I feel so guilty for my selfishness.  I know that I should be grateful that there are still options, but right now the logistics and expenses seem overwhelming.  The good news is that nothing has to be handled today.  I can allow myself today to selfishly have a good cry about it, and as soon as we get information from Michigan, I can get to handling things.