Here is a method that no body has mentioned but the easiest way to get large sums of TC fast is to win Decap Prizes, Every day there is multiple lobbys with Decapprizess of 40,000TC +. All you gotta do is win 1 then you can turn that 40k in 1kk's

best way is to play in tourneys or duels

make sure not to play a mod your bad at