This video helps you to compare the options and guide you through the necessary steps of how to actually take the trains, buses and more.

Timestamps:
00:00 Intro
01:48 Options Overview
02:58 JR Airport Express 'Haruka'
04:22 JR Airport Rapid Service
07:08 Nankai Limited Express Rapi:t
09:27 Nankai Airport Express
10:25 Quick speed/cost/availability comparison of all trains
10:52 Airport Limousine Bus
12:19 Taxi
13:07 Detailed comparison of all options
13:13 Decision tree hack
13:45 How-to: trains
14:37 How-to: JR Airport Express 'Haruka'
17:41 How-to: JR Airport Rapid Service
18:39 How-to: Nankai Limited Express Rapi:t
19:25 How-to: Nankai Airport Express
19:50 How-to: Airport Limousine Bus
20:54 How-to: Taxi
21:17 Closer

Link1 - Nankai Rapi:t Economy Ticket reservation page: https://www.howto-osaka.com/en/ticket...
Link2 - Airport Limousine Bus time table/route list: https://www.kate.co.jp/en/timetable/
Link3 - JR Haruka & ICOCA reservation page: https://www.westjr.co.jp/global/en/ti...