Of course. By me wanting "unlimited" I mean not being held hostage to a 500GB (at best) cap (including uploads) that every business ISP I have dealt with has imposed. And/or they want ridiculous amount for for extra data.
See this upsets me dearly. I don't pay for my uploads so why should i charge my customers for it. All my NBN / ADSL plans all come with unmetered uploads at no additional cost. I also offer a free static ip address which not many carriers do, they offer dynamic static ( changes every time you change your modem ) or dynamic ip address. I do not offer data packs i just offer to upgrade the customer to the next plan. On our billing system its a few clicks which tells our radius server what to do.
I'm now aware that I can get an NBN connected SLA if I want one, through smaller specialist providers only it seems, that's good to know and is my fallback option. I have had another small (one-man-band) ISP contact me and offer a real NBN SLA agreement.
Not to discourage any of the small ISPS (we where one once) but be very careful. Its not cheap to setup your own ISP, most suppliers are just resellers or some one elses gear with a mark up. Most can not answer the touch questions when put on the spot. Peering with NBNCO is expensive. We peer with them in SA, VIC, NSW and QLD. if you are not in these states we can still offer you internet you just are off net meaning you use one of our partners networks to get to our core network and then our network outbound - i wont bore you guys with the specifics
It's not that they wouldn't allow me to tap into their connection, they most certainly would, for $800, $1200, and $2000+ a month for 10M/10M. They would not allow other providers to use their fibre though.
That does sound like a rip off, i would be interested to see the finer details, it comes down to your location and what infrastructure is ion your park, but even still if the carriers are there in the basement they should be able to offer you an "on net" hand off so this puzzles me that they wanted to charge so much. It seems like they where running a whole new fibre run. Then again they may not have known that they had gear there. Back in the day when we used Telstra they didnt know they had a hand off in our comms rack. As the IT management company for Ballarat Technology Park we had to tell them on multiple occasions when a tenant wanted to connect, In the end we ran our own fibre and ditched Telstra.
In video you mentioned that you can join 4 connection with router to get 4x times speed. This is actually impossible for single session. Meaning that you will get 400meg only when downloading/uploading with multiple streams like example with torrents, but with single session, lats say youtube upload, you will be limited to speed on single connection. Trust me, I'm Cisco CCIE SP engineer

Which is every single mainstream NBN provider you can name.
I am so tempted to name a few carriers but i wont because i know they will get their "tough solicitors" will send me cease and desist bahahaha i do enjoy getting them and using them for scrap paper.
I beg to differ, Have a look at this:
https://www.peplink.com/technology/internet-load-balancing/ We have done this with a few clients that could not afford fibre but needed more speed then ADSL. The only catch is HTTPS will only ever run on one connection other wise the packets will get jumbled. HOWEVER.... if you user a layer 2 trunk between your office and DC with these connections you can get it to work flawlessly - We have done both and it works wonders 24/7 365
Email me a quote!
I would love to, just dont have your phone number. I have sent you my contact details via PM

I'm at least going to ditch Exetel.
Probably the wisest move you will ever make, lets leave it at that. I could tell / show you some horror stories about Exetel and fibre services