Do yourself a favor - hang it on the wall as a reminder not to buy everything you see that looks like it''s a good idea

Yes, they leak, they get plugged etc, etc, etc,

If you can''t get at the fuel line where it connects to the needle valve (Which is the easiest method) a fuel dot is the way to go.

A Fuel Dot is just a plug for a third line that goes to the tank which is used for filling and emptying the tank