jay wrote:

....

...The letter said that this is the slow season for them,
and that ... this is a limited offer.

....

And one of the siding places on our local TV is running an ad saying
they're trying to protect their fine craftsman and their families during
the winter and so they need you to do your residing project now...(of
course, the ad says they're going to pay them full-time whether you
"help" or not)...