@jeka25 Network / or Referral ang no. 1 mahalaga , secondary ang skills (sad but true).
walk in is good but remember if you dont know anyone on that site/area, eh baka maging 'intruder' or outsider ang tingin sayo.
Just be mindful how you approach your 'walk in' strategy, pasimplehan mo lang na kunwari nag iikot ikot ka or something....then make friends make connections...
also there are two path to apply thru agent or thru employer itself, so just make sure you are aware how to talk/communicate between the two of them.