making 1->99

So im not sure u want to share this on public so could some1 send me in pm how can i make 99 excelsior from 1 (without farming xD ). So i can pick up one make it 99 and sell them .

Well i hope some1 will give me some info/hints on this. Tx in advance

man a little help would be nice -.-

I tried CE so i pick up a white exc i search for 1 than pick up another search 2 so until i have the right address i freeze it i change it to 99 .
I pick up another excel and it starts and new set of exc i go to sell , put it in than take it out , poof it became 99 but when i want to sell or trade it and error occurs . So i need a lil help on this