Hello mga sis, I am interior designer but I'm not advertising my services, I'm on extended leave due to pregnancy kasi ^ ^, Pero I'm happy to help you with inquiries about pricings of materials and PF and tips kung pano makamura.
Definitely mahal talaga maghire ng ID, if you do not have the budget, I suggest you just DIY kasi you are paying for the service plus the price of a beautiful home. Walang saysay na kumuha ng ID tapos magrereklamo kayo pag nagsuggest ng improvements dahil mahal. Better if you invest sa books, magazines or browse online kung may creative bone kayo sa katawan.
Feel free to PM me questions, I'll try my best to answer them.