If you like to keep yourself up to date on the latest trend on Singapore Property, SISV's site - http://www.nationproperty.sg/ is definitely a good source for information.

If you need to improve yourself with courses, IEA provides information on CEHA course among others. IEA also feature a lot of industry update articles which is very useful for a real estate professional.

Although there is a lot of loan calculator available on the net, I found this Loan Calculator provided by MoneyMind is the best among all because it provide a comparison between loan offered by different bank and you can choose between fixed/floating package to see which one suit you best.

Here are some article for your reference

1. You know referrals are important. How do you get them?
2. A Property is Only Sold When the Buyer and the Seller Disagree on its Value!

Some of the recent press release that are relevant to you. If you need the Adobe Reader for the PDF file, click HERE

some useful link to make your works more efficient