RRSPs and TFSAs both offer tax-saving benefits and opportunities for your money to grow. However, there are a few key differences between them. For example, contributions to an RRSP are tax deductible while TFSA contributions are not. Thus, for some people, an RRSP may be ideal while for others TFSAs may make more sense. Here are a few situations where it would be better to invest in TFSAs.