Please tell me if there are any alternatives to the testosterone shot?

Many options: Assuming that your doc has proven that you have an otherwise untreatable/unknown cause for low t, eg hypogonadism, there are many options besides shots ; implants. There are several brands of testosterone creams, gels ; lotions, including one applied to armpit. There is also a patch as well as one you put btwn your cheek ; gum. Ask your insurance what they'll pay for besides shot. Talk to your doc.