Subject: End of season

what happens during off seasons?

any price money given out to league winner?
next season fixture available?

End of season timings
Week 14 - Sunday - last league games
Week 14 - Wednesday - friendly gamesfriendly league games
Week 15 - Sunday - Qualification games for teams who finished 5th, 6th, 7th, 8th or 1st (or 2nd depending on your country)
Week 15 - Wednesday - last friendly games (or friendly league)
Week 15 - Friday - players get older and their wages are updated
Week 0 - Sunday - free time
Week 0 - Monday - after season payments (supporter renewal and sponsor bonus)
Week 0 - Wednesday - first round of national cup games
Week 1 - Sunday - first league games.

No prize money is given out.

but if You promote You will get bigger after season payment :)

when is the next season fixture available?

after this season, so about two weeks

I think after after the qualification matches. Then we will know who is in the new leagues and who is not.