A fortnight of that is the timber sitting in the workshop doing nothing. Boards come out of a kiln at a lower moisture content than a house, and a table cut the day the wood arrives is a table that moves in its first winter.
Then the joints. A drawbored mortise and tenon takes an hour a leg, against a minute for a bolt. It is also the reason a hundred-year-old table is still tight and a ten-year-old flat-pack is not.
The last week is oil. Hardwax oil goes on thin, three coats, and each one wants a day. Rushing it gives you a surface that marks in a month, and we have tried.