Could Bardic Inspiration be used to assist in a Dispel Magic roll?

If a Wild Magic Barbarian uses their ability to restore a spell slot to a warlock, does it only work if they can hit the warlock’s only spell slot level on the d3?

Custom Lineage: characters who are part elf can get the Elven Accuracy Feat? Can customs use racial feats if it falls in line with their backstory?

What is the intention between Booming/Green-Flame blades requiring a weapon with a value of at least 1sp, when no weapon has a value below 1sp?

Extra Attacks: Can you move during the Attack action?

Does the Draconic Bloodline bonus language also apply to those with draconic origins like Dragonborn, or is it strictly for speaking with full-blooded dragons?

How does a character with Polearm Master and Sentinel interact with an approaching creature that used the disengage action?

In D&D, does Distant Spell work on a spell that has a range of self?