While it might look like it’s more cost-effective to use a masking tape for example since it will serve other practical purposes at home and at your office, investing in transfer tape is still highly recommended because it is specifically designed for use with vinyl. It’s correct use will ensure ease of application of your vinyl material to your projects.
The crafting community is replete with novice and serious crafters, and most will recommend the same, and even link you to their blog to help you out. and a quick Google search would echo something similar.