heard that Starlink is the only internet service that gives the real unlimited but cost a lot to set up.
To set up Starlink is not even the problem, it costs around ₦560,000 while you may need someone for the installation, but you will need to lay ₦75,000 monthly for the basic plan.
The best data plan you can go for if you are using MTN is a year subscription.
Completing a full node and running a pruned node takes the same amount of data subscription, full nodes downloads and stores complete blocks while pruned node takes and store blocks according to the size of pruning.
You mean after you have completed the blockchain download. It will confuse some people the way you construct the sentence.