Look into (and Google for) building science websites that will give you the whole scoop. 

You can usually find some events by doing a simple google search.

Tho it seems Google Ads has changed their algo significantly in recent years, it's tough to keep up. 

I don't have one there, but I have found my photographers in three ways: finding properties in the area on Instagram and seeing if they have a photographer tagged, searching hashtags for nearby major cities on Instagram, and then good ole Google.

You don’t want to use a contract off of Google. You expose yourself to a lot of Unnecessary risk.

BUT, can Google or books answer you within hours of your time sensitive question?

I googled it and it is 2.5% for 2023.   

@Umer Shafiq - google: Esusu

@Danilo Grullon, quick google search says average architectural work is 10-20% of overall construction cost.  

What this means is if you form your LLC in a state that does NOT have COP, you do not have good asset protection (Google the Olmstead case in Florida).