Mara,
I am a first time breastfeeding Mom in my family (and I may be the only one at this point). I learned a lot the hard way.
Only you know your Mom, and what she can and cannot actually put into practice. A lifetime of bad habits is not going to magically go away because you have a baby. Sitting your Mom down and explaining things JUST THE WAY YOU DID IN YOUR POST will likely help a lot. A checklist of things you need to accomplish before and after the birth would be a good idea too.
You're going to be tired, whether you go natural or C. You are going to be exhausted the first few days out of the hospital. Just be READY for that. You might, on the other hand, be like my sister-in-law who declined pain meds and was able to handle her toddler and 2nd c-baby within a week.
Have your Mom help by making Four (4) balanced meals a day. No cooking for you. Avoid the cruciferous (broccoli, cauliflower, artichokes, etc) family, and avoid onions and garlic, for the 1st 2 weeks at least. This won't guarantee smooth sailing, but it might help. Avoid MILK in the same way, or if you are addicted like me, drink it ONLY in the AM (so the gas is not during YOUR night time).
These things might not bother your infant, but there's a good chance they might. If you avoid them while s/he's adjusting to life on the outside the first couple of weeks, there's a good chance you might introduce them sooner than later.
BTW, it is HARD to prepare something avoiding onions and garlic that is Italian food. :) Pre-prepared foods are not a good idea, but some people think they make life easier. They may not make your life easier when you are nursing.
When you go out, plan to nurse in your vehicle, just after you shut it off. You can usually wake the little one with just a sniff of breastmilk. :) Nursing before you go into the store helps A LOT.
Some people don't see that bathrooms are made for one thing, and one thing only. Feeding a child in there is not one of them. Don't let someone bully or cajole you into it. Babies R Us is the only establishment I know of that has a Mother's room for nursing. You might take the time now to call your favorite stores to find out if they have a separate lounge or nursing room. (I'm not sure where you are).
Reading a little further, it sounds like you are going to have your hands full, and best to get the air cleared before your Mom arrives as to what will or won't happen. She's going to be able to do laundry, I think, and THAT will truly be a blessing, because you are bringing home a little one that is going to go through so many outfits and accessories in a day, that if you didn't do laundry daily, you'd run out quickly.
Best bet for laundry, if she isn't on a schedule, is have a checklist for her of things that ABSOLUTELY have to get done for you to function with your little one. Top of it should be: start a load of laundry in the AM, and get it in the dryer ASAP. Folding is always optional. (I requested that my husband STOP folding bc I was always rifling through everything to find what I needed and messed it up anyway).
ROT (Rule of thumb): Cold wash, gentle or delicate cycle for ALL baby clothes. Hot wash will destroy things a lot sooner. Unless your baby has suddenly become a lot older and you are forced to feed him solid food from the get-go, clothes (and cloth diapers) when you are solely breastfeeding are a WHIZ to clean. :)
Dr. Sears and his wife have a book, The Baby Book, and they subscribe to the life you are looking at: breastfeeding, no bottle, no crying it out, etc.
Another ROT: as the dishes are dirtied, rinse them and put them in the dishwasher (or just rinse them and stack them if there is no dishwasher).
Grocery shopping - can she carry groceries? Stock up BEFORE you go to the hospital then. Eggs three, bacon for three (you get the idea).
There is so much more to say, and my son is waking, so I have to go. I think you have a good start on what to do with what everyone else said, and while excitement about a baby is one thing, you need your baby to get the care you and your husband intend for him/her.
And if it helps any, you at least thought to ask before the arrival. I didn't have that luxury, and didn't think I would encounter the resistance I have with my family.
Good luck and congratulations, and DON'T SWEAT THE SMALL STUFF!
M.