Any advise from Bayt experts about how to increase my rank without any fees ?

Add extension proxy it will be by pass the network  after that you can forward your profile.

to be more effected to answer questions

There are some ways for raising your rank.

• Help others: Answering the questions people asked related to your skills, or by asking a unique question that can help people reveal some beneficial facts relevant to there skills and will also help you find a solution for you problem.
• Get Recommendations: Ask your acquaintances or your clients, if you have some, to recommend you on Bayt.com.
• Show your Work:  Feed your profile by your work experience, so that employers can measure your abilities quickly.