Yes it is true that a good portfolio involves a fairly high amount of money but one must remember that this is an investment that would help you to get work in the form of modeling assignments. A model must understand the fact that keeping an updated portfolio is the only way to play a long term innings in the field of modeling.
A good modeling portfolio should highlight a model’s positive physical features, so one must be careful while getting a portfolio clicked. Always remember that a badly shot portfolio can do a lot of damage to your modeling career. In a way it can be said that a portfolio is your identity in the modeling industry and it determines your success and failure in this field to a certain extent.
So be smart and select the most suitable photographer to get your modeling portfolio done. Good Luck.