If it has been a while since you have been at a higher level of strength in the gym dont be killing it with low reps. Let all connective tissues get adjusted. Focus on higher reps, slow and controlled and do not bounce on reversal.
How quickly you "gain" will be dependant on a variety of...
Its not "bad" but like any other medication it can have unwanted side effects. Some individuals are very sensitive to 5ar inhibs and can get depression, low libido etc. I personally dont have any issues.
With respect to fertility....there is some data to show that by reducing dht levels with...
you may want to consider higher dose finasteride prior to jumping on dutasteride. I am personally taking dutasteride for my hair with very good results however some guys have significant sides when you start dropping DHT down to those levels. You may want to see if 5mg finasteride helps you...
No issues.
Make sure you get labs after you stop the exogenous LH/FSH and see if your pituitary kicked back on.
Dont go too high on the clomid as the zuclomiphene has a very long half life and will build up and cause issues. If was ever going to try to bring my axis back on id use enclo instead.
No. Testosterone use does not cause renal cysts. if they are simple cysts and not listed as having any septations, calficiations or anything else which would make them complex then you dont need to worry about them