Survey - cost to reseal a cylinder

Just had a Deere 310C Crowd cylinder resealed. No other repairs beside the seals. Shop charged $630

I'm looking to decide should I attempt the next cylinders or let a shop do them.
The next to be done is the pair of swing cylinders. DYI means less time & work since the reseal will be done on the hoe instead of removing the cylinders.
This machine is a farm hoe. Less than 50 hours a year of work. (I'm retired with more time than money, yet like the challenge of new mech work) I...

Survey - cost to reseal a cylinder

Survey - cost to reseal a cylinder