I think that you should do more than just make claims if your goal was to earn the forum's trust.
For example, have some trusted members of the forum test your service, by you initiating the transaction first.
Frankly speaking, offering a dollar bonus for every 2 spend does sound too good to be true.
On your claim on doing business for years. Domain pm2usdt.com was registered a couple of months above. So what are you on about with that one?
https://who.is/whois/pm2usdt.comKinda stinks if you ask me.