How much Bitcoin is needed to start a Lightning node? I've never used Lightning but can someone recommend how much Bitcoin I need to fund a Lightning node? I will be using the Eclair client.

Thanks
When you start using lightning, the minimum bitcoin you need is the cost of opening the channel + anything else you want in the channel.

The cost of opening the channel is equal to the fees you pay to send a transaction.

So as a minimum you will need:

the lowest fees you can get away with to send a transaction + the amount you want to put in the channel.

You can check out the lowest fees required from any number of services, for example earn.com's service is pretty popular - https://bitcoinfees.earn.com/