Regarding bumping ads in the classifed forums, we've just installed a new (customized) add-on that will change the way ads are bumped to the top. Please refer to the post "Bumping Classifed Ads" for details.
Nice ! Had to comment so I can find this post again and again !
To sum this up, miracles can happen and you have to keep
buying those lottery tickets by searching CL and more 24-7.
Some people can do it, others cant.