Times 26,756
5a) This writer with farewell message conveys commercial information (8)
10a) The thing with one foot rolling over is a wild animal (6)
12a) Hooligan, first to last crooked, being banished (8)
I do have some crossing letters as I've nearly finished this but I'll leave them out so you can have a fresh look at them. Let me know if you want the crossers I have.