Anyone lay their own concrete?

I did this in 3 sections, with a little help from a couple friends. It’s 28x36, and I’ve been helping my neighbor on pours when he is short handed. I try to barter everything I can, I usually spend my $$ on materials, have a couple buddies come when they can and pay them $100 a day, and give them back the time they gave me when they need help.

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