pushbot at 5.50 and 11 games

ive been finding it is rather hard for me to be successful useing this style at these levels i tend to start at the 75/150 levels and up. (this is on ultimate bet 10min blinds) and ive been finding people are calling me with crap(j8o Q6o) thus forceing me to take toss ups. i tend to push only with %80 or better hands, i tend to be the fav when they call but i dont really know if i want to take these toss ups. i feel im better than most of the players and can grind em out. i just hate throwing away great steal attempts. any suggestions.
(sorry one thing to add i usually have them covered thats why i cant understand there calls)