Normally they will replace the copper when the performance drop or too many complain
Example my place, tm already change the big copper on my backyard pool around 2 times within 3 years I think

normal copper. usually before the black box entrance

most welcome. Do look at your sourrounding area if there is contractor laying fiber on the ground. Normally takes 2-3 month then you will see they lying cable on the tm pole

mine from pandan jaya also pending update. but of course i understand 50-100 took a while

pandan jaya also not yet. at least my neighbour also not yet from 30 to 50

Agree. Once you master the basic of configuration of routerOS, you should able to handle consumer router in market
Also my mikrotik serve me since 2014 and still kicking from 10>20>50. Awaiting for 100

Its 951G-2HnD. I cant remember the price. less than rm 300 perhaps
Agree. For my house, 1st floor use AC while 2nd floor just normal N. time2 tido x elok internet laju