Nano Tank Set Up Help: Plant + Fish

[Alasse]

Do not put a female in with him, it will not end well!
 
He is perfectly ok on his own

 

[skink_boy]

Alex fish food is cheaper than female bettas

 

[TwoTankAmin]

Amazon swords will outgrow 4 foot tanks that are 2 feet deep. This one was in my 75 gal 48x18.5x21.3 inches: