you are trusting someone else with enforcing the consensus rules that define Bitcoin itself
you are trusting someone else with all your transaction data
you are not really part of the bitcoin network
Simple as that: run a node.
People buy and run routers and other always-on IoT devices with UI friendly configuration pages accessible on their LAN. It's just a matter of time (and a business opportunity) until the same happens with bitcoin nodes.
If you don't run your own node:
Simple as that: run a node.
People buy and run routers and other always-on IoT devices with UI friendly configuration pages accessible on their LAN. It's just a matter of time (and a business opportunity) until the same happens with bitcoin nodes.