Answer:
When it comes in, From sea to shore, Twenty paces you'll see, No less, no more.
What flares up and does a lot of good, and when it dies is just a piece of wood?
Youโll have me at night and if you remove the first letter I denote the top, such as on a train
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
In the evening I'm long, in the morning I'm smallอพ When seen in a ballroom, I'm nothing at all.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.