My main router is RT-AX88U which is at the living room while the additional node is at my son's room (via wifi mesh).Most likely no improvement with the coverage and only speed improvement. Both are the lowest end AX router from Asus with only 256MB of RAM.
I am probably biased but I do not recommend using RT-AX3000P or RT-AX55 as the main router, but I guess you only have a few devices and do not use much of the Asus router features.
You may want to post your floor plan. Many 4 room HDB will require two nodes due to placement constraints. For example, for new BTO flats, one may often need to put a router in the DB box to have the room LAN ports working. And then often another node is needed as the DB box will often not located in the central location.
My current plan is M1 1gbps which is due for recontracting. I am currently paying about $40 which it seems if I renew the new plan is only $36 for 1gbps.
Contemplating if its worth to upgrade to 1+1 without much configuration for the same cost now. Otherwise I am fine to stick to 1gbps at a lower cost
My son's PC is connected to LAN in his room (Room 2).
