difficulty to give suggestions for you, if your mining using one GPU and your series GPU very expensive for this time.but you don't need sad, on the Cryptocurrency always have a surprise such fork or the price some coin is rise. I have any little tips corresponding with my experience when first time mining.
1. as much as possible care for your component especially VGA. the stable more important than speed(hashrate).
2. often to web calculator mining such a Coinwarz, you can look block reward, frequency block and you compare one coin with another coin but if you feel that's waste a time, you can using Nicehash.
3. correct in choosing an Algorithm, where your VGA series works great on that algo.
4. most important is Patience.