Far from any kind of Cow.
Per your question, it depends on what type of music you like to play
A decent electric guitar will be around 600 bucks, if go up to $1500, you
could have a lot very good choices.
For electric guitar, you had to have some kind of amps. There are three
options
1. Real amp (tube amp), entry level, around 300-500
2. Effector, such as HD500X, around 300-500
3. Software effect, amplitube, etc, around 150 for a decent Audio interface
Also you can try some AI which used on iOS, usually around 100, so you can
play anywhere.