User Feedback & Market Validation for SaaS App

I'm in the process of developing a SaaS application aimed at facilitating digital invitations and I require assistance to validate the product through initial user feedback. My target audience consists of event planners and individuals who are organizing personal events.

Key Requirements:
- Understanding of the needs and preferences of event planners and individuals planning personal events.
- Cost-effective strategies to gather and analyze feedback from these user groups.

I need feedback on:
- Feature preferences
- Ease of use
- Design and aesthetics

Strategy for Gathering Feedback:
- Primarily through surveys, with the potential for other methods if they prove to be cost-effective and insightful.

Ideal Skills and Experience:
- Experience with SaaS product development
- Knowledge of the target user groups
- Proficiency in designing and conducting surveys
- Ability to provide cost-effective market analysis strategies.