Giraffe has done an awesome job collating the various investment means available in Singapore, and has even provided some step-by-step guides on how to get going for each of them.
This is really awesome. Have a read: 17 Investment Options (by GiraffeValue)
I think it's a most useful source of reference to help somebody embarking on the "doing" part. The closest I ever got round to was this weak attempt in 24 Tales in the Journey to Wealth.
On reflection, I recall that I never had much of an interest to do such things till age 39. Up till then, I had effectively outsourced the job to insurance agents. The wiser me has realised the foolhardiness (and laziness) of yesteryear's, and that a little bit of effort in DIY can reap a far greater difference for the future me.
My very first significant step started when I opened a Fundsupermart account. What a journey since. Have a go by taking the first step forward.
Expectations of returns on investment
On Financial Planning