Been playing with Solana a lot more lately, but price quotes are sluggish, 50% of my trades fail, trades take ~15 seconds to complete, and I have to break my trades up into much smaller increments to get them through. 

Any tips on how to get a better experience here? Moved my slippage up to 1% and that helped.

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sounds like your playing with shitters, i always use a telegram bot to trade them. Any will do you well and they are much faster you will need higher slippage when things get congested though