We found the savings to be minimal. Also, the land line comes in handy when the cell isn’t getting the best signal. Some family and friends only have my land line number, especially older friends.
If you have had the number for a long time port it to a cell phone
We got rid of our land line some years ago & it has worked fine,altho I don’t think there is any big savings. The service with the cells is just so much more convenient,but we still get the nuisance calls. We have just the basic phones,nothing fancy,no added services,no texting.