Heres the end result of about 2.8 days of farming with the method i described.
and this is how much gold i have currently
Woah that's a lot! My level is kind of too low and each run takes me quite some time, but I will keep leveling :)
i added my bank screenshot to the post to show how much tp i have in the bank still not enough though i need to save 2.4 million tp to get the last wealth achivement