To live as a bootleg healer in a novel, one might have to develop unique skills secretly, build a network of trusted clients, and constantly be on guard against rivals. It's a risky but exciting path.
The relationship between the live-in son-in-law and the Undead Healer No. 2 was uncertain. Different novels may have different settings and explanations, so it is impossible to determine whether there is a direct relationship between the two characters. In some novels, the live-in son-in-law might become the owner of the Undead Healer No. 2, while in other novels, the two characters might not have any connection.
It depends. In some cases, if they don't violate any copyright laws or other regulations, they can be legal. But if they use copyrighted characters or ideas without permission, then they are illegal.
Unlicensed children stories may lack the official authorization or quality control. They could have inconsistent content, for example, the moral lessons might not be well - defined or appropriate. Also, the illustrations might be of lower quality compared to licensed ones.
Reading unlicensed light novels is generally not legal. Publishers and authors hold the rights to their works, and distributing or reading without proper licensing violates those rights.
You could focus on developing skills or powers that are not typically associated with healing. Maybe have a character specialize in combat or magic that isn't related to restoration.