moreover, you will have a good chance of running a very successful tuition business. if you are well liked by students, you should consider quitting to start giving tuition full-time.
NIE trained teachers with actual experience teaching in schools are in great demand. at a typical rate of $100/hr for such qualifications, you get $4k per week working just 40 hours (not counting travelling time and preparation). that's 16k+/mth, and about $200k/yr.