In the interim, suggest you join a syndicate instead of renting. It will give you better availability and it is likely that you will share flights with your co-owners thereby bolstering your experience and confidence. There is also the cost sharing benefit.
During this time you can analyse your aspirations and purchase accordingly. Then sell the share, or.............................. do as I did and end up with shares in all sorts of aircraft, always intending to sell but never quite bringing yourself to do so!