Overseas pakistani first property

Assalam u alaikum, dear fellow citizens. Please i need some guidance. I work in saudi arabia. Never bought property before in pakistan, was saving for more than 5 years. Now i want to buy property in pakistan. How should i proceed. The problem is tax etc. I am a total rookie in this regard, anyone can guide me to some reading etc? Thanks.

What’s your budget and which city? Residential or commercial?

My budget is 50 lakhs and city is Lahore