Won the house!

Our offer for the house was accepted on our 3rd attempt. We won for the price we wanted to pay and 5k less than our "limit" going in. This is good news but we're not out of the woods yet. I have my fingers crossed that the home inspection will go well and I'm trying not to get too attached (too late).
Are we completely crazy for doing all of this with an (almost) 4 month old? I was really hoping my dad would offer some help but he's been acting so weird about the entire situation. I had hoped he'd let Sadie and I stay in their basement for a week when our Condo is first listed but he said no. I really thought he'd jump at the opportunity to spend that time with Sadie. He also declined to come with me to the home inspection. I thought he'd love the inspection.
In general he's been acting very weird about us moving. In his opinion we should be selling our condo and moving into something cheaper. That isn't reality!!! He also thinks that because my step-mom commuted to Toronto (from where I grew up) for years that we should be able to do it too. I told him point blank that I did not want to be away from my home 12 hours a day. When would we EVER see Sadie? He just needs to deal with the fact that we're buying a house that costs what it costs and DEAL WITH IT!!
In other news, I think I may have ruined my back and I've been OD'ing on Fenugreek.
First, my back is so sore. I've been wearing Sadie a lot over the last week and I think she's getting heavy to the point of discomfort. I'd hoped that I could wear her much longer so I'm thinking of getting something with a bit more support like a Baby Hawk or Ergo. I'm missing Salsa Babies today because there is no way I can put that pressure on my back right now. I need to heal up a bit.
Second, I just noticed today that I've been double dosing my Fenugreek. The new pills I'm taking are twice the milligrams than my previous brand!!!! I actually stopped taking it because it was giving me such a bad headache. I guess we know why!! I need to go back to my lactation consultant to ask what the correct milligram dose should be. I was told 3 pills 3x per day. How does that help when one brand is 300 mg and the next is 600 mg? Yikes!!