No increased wear to the tires, however like LouNY said, you'll need a different stud location next year.
Last year was my first use of them and I was
very surprised how well they worked. I plow about 20 driveways in the winter and we had a lot of snow last year, 54" in just one week. I removed the front studs and small holes were left and quickly filled with small stones (or large sand

) with no effect to the tire. I left the rear studs in and will leave them all in from here on out. Besides "roading" the tractor a lot, (my) normal tractor work will not wear them out.
The shorter studs went in the fronts. iirc they were just over $1 each with the longer one's around $1.40. The number of studs you need do add up quickly, I think I spent over $300 but much better than wearing out expensive chains. From what I saw last year, I bet the studs are only about 25% short of full chains performance.
I used a similar pattern on the rear's also.
This is one of my woods road, (not plowed) mid season. I kept the plow up about 10" with the blade in the "V" position and plowed any where I wanted to. I didn't measure but would estimate that there was a good 3' here.