Your first baby is basically a bomb thrown in to your life and everything is hard, because you're learning on the job. By the second or third baby you realise that actually babies are easy. You only wish you knew hat to start with.
Don't buy all the parpahnelia. Don't refuse to leave your house without everything. 2 nappies, one change of clothes and some milk or a boob are all you need. Fit in your hand bag.
Stick it in a sling. Find a library and get a sling hat works for you. Don't worry about dragging a massive buggy about. If the baby will only sleep on or near you, stick the baby in bed near you. It's fine and generally very safe if you plan for it.
If the baby wakes when you so much as breathe, stick the baby in a cot away from you. It'll be fine and you'll both get some rest. Babies are hard because we try and force a human to rigidly adhere to our completely naive ideas of how a human baby should behave.
If you need the toilet, go to the toilet. It'll be fine. Have a shower, it'll be fine. That's what mothers of two, three, four kids have to do. We have to leave the baby and it's fine. You don't have to do any special brand of parenting. Gentle parenting, BLw, cry it out, sleep training, these are all bollocks terms created to sell books. Just do what's easy for your baby and it will be easy for you.
Babies are so fucking adorable and squishy and lovely and milk drunk face is the best thing you will ever see in all your life.