Question re valuation caps for PCGS submission tiers

How strict are the hosts in applying the $300 valuation cap on the economy tier? As an example, I have one coin I would like to submit which is valued @ $330 (Bluesheet) in the grade which I think it will achieve. Should $300 or $330 be entered in the value column? Also, anyone think the $300 cap is a bit low, and was it higher previously?
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Michael Kittle Rare Coins --- 1908-S Indian Head Cent Grading Set --- No. 1 1909 Mint Set --- Kittlecoins on Facebook --- Long Beach Table 448