I did the math & for what I need it's cheaper to make my own [potting soil mix], not by much tho. A big part is that I have so much compost.
Thanks. I have lots of chicken run compost, but like I said, it is full of active life and I don't think I want to use any of that compost inside the house.
Well, maybe if I cooked the chicken run compost in the oven or soaked it in boiling hot water to kill the active stuff in the compost it would be OK for inside the house.It might be cheaper to buy commercial sterile potting soil mix when on sale. It certainly would be easier. And, in reality, it's only for seed starting in the house that I even use any potting mix.

I went through a similar exercise a few years ago when I considered the cost of buying individual grains to make a chicken scratch mix. I found out that unless I purchased grains in large bulk quantities, there was no savings to be realized by mixing my own chicken scratch. I only have 10 chickens. It just made more sense for me to buy commercial chicken scratch at our Fleet store when they go on sale. And that was before COVID-19 and the price hike of grains at our local feed mill which have not come down even now.

