Muteki Shounin no Isekai Nariagari Monogatari ~Gendai no Seihin o Jizai ni Toriyoseru Sukiru ga Aru Node Isekai de wa Rakushoudesu~ - Vol. 1 Ch. 2

[MangaDex]

 

[GreC_89]

 

[HaikenEdge]

If he really wanted to make something like the lighter a world-changing item, he could simply give an enormous number of them—they cost him nothing, he could probably trade dirt for points—away for nothing and use that goodwill help his actual trading business; the way he's choosing to go about it now is roundabout and slow.