ok so i'll tell u how too scam scammers in runescape
everyone will know that there's people spamming doubling money
Step 1 ) Someone is spamming doubling money
Step 2 ) Trade him and show him all ur money (ex. 20M)
Step 3) Say like : Hey dude can i first try this with like 200K?
Step 4) he'll say sure
Step 5) give him 200K
Step 6) he'll give u 400K back
Step 7) done
I've done it. Made 300k profit in 10 seconds. Some guy took my 300k and logged off. His buddy was there and I was like I guess he doesn't want 4mil. He quickly called his friend back, I got 600k, and kept my 4mil.