I've got about 50 early tomato plants which are getting quite large now. Every 4-5 days, it is back inside the house. Lots of work to move the plants back and forth, plus I'm waiting to step a dozen or more plants up to 3 gallon nursery pots. Cold weather comes in today and tomorrow. After that I'm going for it, moving the plants into the three gallon containers and planning on being able to keep plants out over night with maybe only one more episode of having to shuttle back and forth.
Next year I plan on having a much larger, permanent cold frame in place, so the plants can stay out overnight even down into the low 20's.