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The only limit to tethering is ones own data allowance and how long lasts @Biz68
Appreciate your on unlimited.
For example my work colleague has 100Gb of Data Allowance on a Vodafone Pay Monthly Contract and he uses it heavily at home with streaming and using his phone as a Hotspot to Tether.
The other factors are that the phones battery will deplete faster and your data allowance will be used up faster if a laptop or tablet or other device that accesses richer data than a phone does. Appreciate your on Unlimited.
Current Phone > Samsung Note 9 _512Gb > Model: SM-N960 Hybrid-Duos.
Samsung One Ui / Pie.
Samsung Gear s3 Frontier Watch.
Thanks for your reply. I probably never need unlimited but I was just curious weather it was actually unlimited as I can't find anywhere stating this. I know there is a 25gb cap abroad so I would imagine there being a cap for tethering as well? Plus it be nice to know in case I do rely on my phone to tether to my laptop so I don't exceed any limits.