100Mbps is Fiber but with asymmetrical speed. 75 and 50 Mbps are both on coax. Really appreciate the help. Finally some progress. Thanks again

@Jojo42 embarassing to admit but im really dumb lol. i forgot im testing it on a station with a 100Mbps NIC. Transferred to my own station and well finally some improvement but still missing 100Mbps...

Yeah all 3 are working fine. It actually increased my upload by around 10Mbps since the highest i have is 40Mbps.

@Jojo42 Managed to access speedtest.net but its still below 100Mbps. Currently connected to 3 WANs. 1st is 100Mbps 2nd is 75Mbps and the 3rd one is 50Mbps.

@Jojo42 Didnt work. Even had a lot of request time outs at the start. Cant even use speedtest.net but fast.com has this result

How did you manage to combine your speed? When i setup two WANs one 100Mbps and the other 75Mbps, it only shows that i have 100Mbps or less on speedtest.net.