The advantage of a special promotional product is that it provides you with many job opportunities and there is no limit to your imagination. Poorly chosen items can actually do more harm than good. So you need to think about it and spend your money on a product that you know works rather than buying promotional items that may be cheaper or lower quality just to save a few bucks.
The items you choose should suit your business.
Otherwise, you won't really be able to connect with the group of people you want to reach and a personalized promotional product isn't something people expect. This type of item also has a big advantage in that it can be distributed free of charge and most people tend to use certain products in a certain way. You can look at some promotional items at https://recognitionid.com.au/15-promotional-items.
A well-chosen product can also get people to recommend it to other people, sometimes even people you don't reach at all with your campaign, eg. Family and friends, or people you are friends with on social media such as MySpace or Facebook.
How Much Money Should Be Spent?
It's easy to get carried away by working with personalized promotional items, but as long as they get the results you want, that's fine. All you have to do is think about it: will you get a return on this investment? In some cases, the campaign may or may not take to produce results, but the overall long-term results are actually the best. So don't look at promotional item costs as just costs. Very likely this is an investment!