Depends a lot on your stats/how much you are willing to meld. A lot of the cost of melding is from two main things. The Control 3 materia, which is a frontloaded cost as it's usually one of the first things you meld in, and all the overmelding on accessories.
For 1 star and 2 star crafts, Ingenuity is extremely recommended. To give you an idea, so you won't have to experiment as much, without it up your synth actions will give you roughly 55% of what they'd give with it active. Your touch/BB actions will be decreased by 25% (5% per level the craft is above you, capped at 25%). Between the two 'penalties' for crafting something above your level you can see how things can get rough in a hurry. Generally used at the end of a craft (for your final Great Strides touch + synth actions) as always putting it up throughout usually costs too much CP + the steps it wastes while other buffs are up (depends on your rotation, of course).
One thing that might be helpful to know, is that Ingenuity sets the recipe level for the duration of the buff, even if used on a lower level recipe. You could use that to test on cheap crafts to figure out how much progress you'll get with your synth actions to plan out how many you'll need to do for Vanya - likely 3 Careful Synth IIs. Standard Synth may also be an option (or even a combination of the two) though it does have a CP cost to consider + having SH still active. For the 2 star 40 Durability mats you'll likely need 2 Synth actions - the craftsmanship required to one shot it using Standard Synthesis without Ingenuity II is around 358, which is likely out of reach at the moment.
For your current setup (didn't list Control/Craft/CP), you'd probably have to use Hasty Touch (SH II is highly recommended again). Starting with as many HQ mats as possible is also recommended, especially since Hasty Touch can be a bit random. Figure out what you want for your ending rotation and the CP costs (so you won't blow up the craft) and work backwards from there. Tricks of the Trade is also incredibly useful when using a Hasty Touch method as more CP = more actions = more chances to buff Inner Quiet and your final Byregot's Blessing. For the same reasons, CP food is a strong pick.
As the progress/quality 'penalties' are the same for 1 star and 2 star, you could practice on the much cheaper one star crafts and just be aware of the slightly longer quality bar that 2 stars have (HQ mats help there) + the extra progress you'll need to get from synth actions.