Lucky 3s'

Today's Puzzle:

The advice from the creator, "please make sure to read all the rules otherwise the puzzle may not work out as intended".

Once you do, the puzzle solves beautifully!

Link to Play Along:

Lucky 3s by Rhyno https://tinyurl.com/SudokuSleuthLucky3s

Rules:

Normal sudoku rules apply. Digits along a thermometer increase from the bulb end. Numbers in cages sum to the number in the top left corner of the cage. Digits on Thermometers must be 3 apart from previous e.g if thermometer starts with a 3 the next digits must be 6 then 9