Do you mean paying the seatpost guy to do it?I don't think plus gas will work as the corrosion bond will be strong and impenetrable. I have also tried the hacksaw method and found it really difficult to maintain an even cut, even with a modified slimline blade. As your frame is alloy I would not advise this method as strong chance you will cut into the top of the seat lug / frame. I would opt for the pro seatpost removal option.
 
 
		 
 
		 
 
		
 I’ve got the time!
 I’ve got the time! 
 
		 . I just keep checking up to see if it’s worked. But if it’s soaked for more than a few days then I think it won’t work. But due to the many comments here (good and bad
. I just keep checking up to see if it’s worked. But if it’s soaked for more than a few days then I think it won’t work. But due to the many comments here (good and bad ) I think one of them is bound to work. You always have me
) I think one of them is bound to work. You always have me
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		