Getting sealing and dividing or not logs, is something I have done for a long time already, buying and having it shipped is just not economic or even needed here in Ontario with all kinds of tree species.
Yes there are trees that do not grow here, but that is so in every area on earth I believe.
Free freshly cut logs are all around for free,, free wood is good
If the logs aren’t too thick and heavy I will keep them as long as possible, I Anchor seal the ends, often again after it has dried up, and I would store them in my shop and then process them as fast as possible.
I’d be standing on a thick layer of shavings, only cleaning them out when done with the rough turning, all the rough turned pieces are stuck into a brown paper bag and set away in a cool draft free place, and checked a few times the first week or two, just to make sure there is no fungus growing on the wood.
Of course some of the wood I would have to parten up because of where it was or for the size of them, though I do like the larger logs, as I find the grain in them are usually nicer than the small logs.
On a ocasion or two I got so much wood that I could not rough that all in the next couple of days and in those times I would over the sealed wood also put a plastic bag, usually I would use some painters tape to get the bags tight over the logs.
And yes there was some of those logs that sat just too long, like about a year and they would split, even when sealed and wrapped in plastic, these get made into spindle blanks or smaller bowl blanks if they didn’t get into rotten wood, some wood will do that while other do not,