Quotes for 5 windows seems high?

[TheWindowNerd]

I am biased, I work in a family run business. Three generations now in theWindowNerds.

The problem with lifetime labor warranties are many. Chief among them is when the liability becomes to great they close and open a new business. There is a local guy who is third generation whose pop and grand pop wrote lifetime warranties, the burden became to great, he closed and opened a new company.
2 years is very reasonable.