Here in Sweden I'm not sure if there's a rule on what you're allowed to sell.
Typically wood is sold by the cubic meter, with a sidenotes of whether that's stacked, dumped, dried of needs drying.
Customers get to work out for themselves who to buy from, and it's down to us as customers to work out where we get the best deal.
I buy from a guy who has the wood stood in a windy/dry place for a year before delivery, and delivers a full-to-the-brim trailer (6 cubic meters) that has been filled by front loader.... he also states that this will probably measure 3.5 cubic meters when stacked - usually it comes out at 3.8cubic meters stacked - and I stack carefully.
When it comes to drying (OP's question) I recently started adding carports onto my garage - one on each side, and they're longer than the garage itself leaving a nice area at the back. This is covered with clear plastic roofing, and will eventually get a big sliding (and transparent) door to turn it into a solar kiln... well... maybe not "kiln" ... but still warmer than the outside world. The clear roof deliberately does not reach the wall behind, allowing moist air to rise and esc
Here is is before the carport (read: tractor-port) areas were cladded
The plan is to paint the wall at the back black to generate more heat and create a better convection current.
I don't buy wood in volumes large enough to fill this... but my best mate has just become a qualified tree surgeon, and will have to pay fees to get rid of his "industrial waste" ... So as soon as I'm ready, I get free wood!! :thumbsup:
(just another excuse to build a splitter)