Use "Free Tier" Instances. I already mentioned in the Video. Pls check. And also Bill will generated for only running Services. Make sure you have not running any Instances if you are not using it.
Bro neenga alredy angular beginner course solli 6hours la video pottu erukinga , ippo angular course nu solli 4 hours course onnu pottu erukinga Na oru beginner first yentha video pakkurathu sollunga