Camilo , 4 months ago Jisho shows 花金 for the main dictionary entry and 華金 as an alternative, so I believe 花金 is more common, but as the other comment says both kanjis have very similar meaning so they both should be ok. jisho.org/search/花金
Jisho shows 花金 for the main dictionary entry and 華金 as an alternative, so I believe 花金 is more common, but as the other comment says both kanjis have very similar meaning so they both should be ok.
jisho.org/search/花金