Hamra is free, I get it around where I live. used to buy humus, but now I get mine from a friend who makes it and perlite is damn cheap. $2 of perlite for every 100 large pots.POTAWIE said:I used to make my own mix in a cement mixer but unless you find a good deal on materials, you're not really saving much money
Buying soil all the time will cost ya big money.
EDIT:
You will get dirty searching for the "good stuff", but it's worth it.