Salvation is simple.

1 Corinthians 15:1-4
[1]Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand;
[2]By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain.
[3]For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures;
[4]And that he was buried, and that he rose again the third day according to the scriptures:

Ephesians 2:8-9
[8]For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
[9]Not of works, lest any man should boast.

Romans 10:9 That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.